7520205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 15925248

約数和(自身を除く): 8405043

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 357, 383, 385, 561, 595, 935, 1149, 1155, 1309, 1785, 1915, 2681, 2805, 3927, 4213, 5745, 6511, 6545, 8043, 12639, 13405, 19533, 19635, 21065, 29491, 32555, 40215, 45577, 63195, 71621, 88473, 97665, 136731, 147455, 214863, 227885, 358105, 442365, 501347, 683655, 1074315, 1504041, 2506735, 7520205]

約数ペア:

[(1, 7520205), (3, 2506735), (5, 1504041), (7, 1074315), (11, 683655), (15, 501347), (17, 442365), (21, 358105), (33, 227885), (35, 214863), (51, 147455), (55, 136731), (77, 97665), (85, 88473), (105, 71621), (119, 63195), (165, 45577), (187, 40215), (231, 32555), (255, 29491), (357, 21065), (383, 19635), (385, 19533), (561, 13405), (595, 12639), (935, 8043), (1149, 6545), (1155, 6511), (1309, 5745), (1785, 4213), (1915, 3927), (2681, 2805)]