64676775

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 110830208

約数和(自身を除く): 46153433

約数列:

[1, 3, 5, 15, 25, 61, 67, 75, 183, 201, 211, 305, 335, 633, 915, 1005, 1055, 1525, 1675, 3165, 4087, 4575, 5025, 5275, 12261, 12871, 14137, 15825, 20435, 38613, 42411, 61305, 64355, 70685, 102175, 193065, 212055, 306525, 321775, 353425, 862357, 965325, 1060275, 2587071, 4311785, 12935355, 21558925, 64676775]

約数ペア:

[(1, 64676775), (3, 21558925), (5, 12935355), (15, 4311785), (25, 2587071), (61, 1060275), (67, 965325), (75, 862357), (183, 353425), (201, 321775), (211, 306525), (305, 212055), (335, 193065), (633, 102175), (915, 70685), (1005, 64355), (1055, 61305), (1525, 42411), (1675, 38613), (3165, 20435), (4087, 15825), (4575, 14137), (5025, 12871), (5275, 12261)]