201215394891

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{521}}^1$

素因数の和:978

約数の個数: 128

約数和(自身を含む): 350877542400

約数和(自身を除く): 149662147509

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 139, 183, 189, 241, 417, 427, 521, 549, 723, 973, 1251, 1281, 1563, 1647, 1687, 2169, 2919, 3647, 3753, 3843, 4689, 5061, 6507, 8479, 8757, 10941, 11529, 14067, 14701, 15183, 25437, 26271, 31781, 32823, 33499, 44103, 45549, 59353, 72419, 76311, 95343, 98469, 100497, 102907, 125561, 132309, 178059, 217257, 222467, 228933, 234493, 286029, 301491, 308721, 376683, 396927, 506933, 534177, 651771, 667401, 703479, 858087, 878927, 904473, 926163, 1130049, 1520799, 1602531, 1955313, 2002203, 2043439, 2110437, 2636781, 2778489, 3390147, 4417559, 4562397, 6006609, 6130317, 6331311, 7659221, 7910343, 13252677, 13687191, 14304073, 17452979, 18390951, 22977663, 23731029, 30922913, 39758031, 42912219, 52358937, 53614547, 55172853, 68932989, 92768739, 119274093, 122170853, 128736657, 157076811, 160843641, 206798967, 278306217, 366512559, 386209971, 471230433, 482530923, 834918651, 1064631719, 1099537677, 1447592769, 3193895157, 3298613031, 7452422033, 9581685471, 22357266099, 28745056413, 67071798297, 201215394891]

約数ペア:

[(1, 201215394891), (3, 67071798297), (7, 28745056413), (9, 22357266099), (21, 9581685471), (27, 7452422033), (61, 3298613031), (63, 3193895157), (139, 1447592769), (183, 1099537677), (189, 1064631719), (241, 834918651), (417, 482530923), (427, 471230433), (521, 386209971), (549, 366512559), (723, 278306217), (973, 206798967), (1251, 160843641), (1281, 157076811), (1563, 128736657), (1647, 122170853), (1687, 119274093), (2169, 92768739), (2919, 68932989), (3647, 55172853), (3753, 53614547), (3843, 52358937), (4689, 42912219), (5061, 39758031), (6507, 30922913), (8479, 23731029), (8757, 22977663), (10941, 18390951), (11529, 17452979), (14067, 14304073), (14701, 13687191), (15183, 13252677), (25437, 7910343), (26271, 7659221), (31781, 6331311), (32823, 6130317), (33499, 6006609), (44103, 4562397), (45549, 4417559), (59353, 3390147), (72419, 2778489), (76311, 2636781), (95343, 2110437), (98469, 2043439), (100497, 2002203), (102907, 1955313), (125561, 1602531), (132309, 1520799), (178059, 1130049), (217257, 926163), (222467, 904473), (228933, 878927), (234493, 858087), (286029, 703479), (301491, 667401), (308721, 651771), (376683, 534177), (396927, 506933)]