668896137

素因数分解:

$3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3361}}^1$

素因数の和:3402

約数の個数: 64

約数和(自身を含む): 1235064320

約数和(自身を除く): 566168183

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 729, 819, 1053, 1701, 2187, 2457, 3159, 3361, 5103, 7371, 9477, 10083, 15309, 22113, 23527, 28431, 30249, 43693, 66339, 70581, 90747, 131079, 199017, 211743, 272241, 305851, 393237, 635229, 816723, 917553, 1179711, 1905687, 2450169, 2752659, 3539133, 5717061, 7350507, 8257977, 10617399, 17151183, 24773931, 31852197, 51453549, 74321793, 95556591, 222965379, 668896137]

約数ペア:

[(1, 668896137), (3, 222965379), (7, 95556591), (9, 74321793), (13, 51453549), (21, 31852197), (27, 24773931), (39, 17151183), (63, 10617399), (81, 8257977), (91, 7350507), (117, 5717061), (189, 3539133), (243, 2752659), (273, 2450169), (351, 1905687), (567, 1179711), (729, 917553), (819, 816723), (1053, 635229), (1701, 393237), (2187, 305851), (2457, 272241), (3159, 211743), (3361, 199017), (5103, 131079), (7371, 90747), (9477, 70581), (10083, 66339), (15309, 43693), (22113, 30249), (23527, 28431)]