261197937

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 514375680

約数和(自身を除く): 253177743

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 79, 91, 99, 117, 143, 231, 237, 273, 367, 429, 553, 693, 711, 819, 869, 1001, 1027, 1101, 1287, 1659, 2569, 2607, 3003, 3081, 3303, 4037, 4771, 4977, 6083, 7189, 7707, 7821, 9009, 9243, 11297, 12111, 14313, 18249, 21567, 23121, 28259, 28993, 33397, 33891, 36333, 42939, 52481, 54747, 64701, 79079, 84777, 86979, 100191, 101673, 157443, 202951, 237237, 254331, 260937, 300573, 318923, 367367, 376909, 472329, 608853, 711711, 956769, 1102101, 1130727, 1826559, 2232461, 2638363, 2870307, 3306303, 3392181, 4145999, 6697383, 7915089, 12437997, 20092149, 23745267, 29021993, 37313991, 87065979, 261197937]

約数ペア:

[(1, 261197937), (3, 87065979), (7, 37313991), (9, 29021993), (11, 23745267), (13, 20092149), (21, 12437997), (33, 7915089), (39, 6697383), (63, 4145999), (77, 3392181), (79, 3306303), (91, 2870307), (99, 2638363), (117, 2232461), (143, 1826559), (231, 1130727), (237, 1102101), (273, 956769), (367, 711711), (429, 608853), (553, 472329), (693, 376909), (711, 367367), (819, 318923), (869, 300573), (1001, 260937), (1027, 254331), (1101, 237237), (1287, 202951), (1659, 157443), (2569, 101673), (2607, 100191), (3003, 86979), (3081, 84777), (3303, 79079), (4037, 64701), (4771, 54747), (4977, 52481), (6083, 42939), (7189, 36333), (7707, 33891), (7821, 33397), (9009, 28993), (9243, 28259), (11297, 23121), (12111, 21567), (14313, 18249)]