520001271

素因数分解:

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

素因数の和:412

約数の個数: 36

約数和(自身を含む): 778663704

約数和(自身を除く): 258662433

約数列:

[1, 3, 9, 61, 67, 183, 201, 211, 549, 603, 633, 1899, 4087, 4489, 12261, 12871, 13467, 14137, 36783, 38613, 40401, 42411, 115839, 127233, 273829, 821487, 862357, 947179, 2464461, 2587071, 2841537, 7761213, 8524611, 57777919, 173333757, 520001271]

約数ペア:

[(1, 520001271), (3, 173333757), (9, 57777919), (61, 8524611), (67, 7761213), (183, 2841537), (201, 2587071), (211, 2464461), (549, 947179), (603, 862357), (633, 821487), (1899, 273829), (4087, 127233), (4489, 115839), (12261, 42411), (12871, 40401), (13467, 38613), (14137, 36783)]