207178425

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9951

約数の個数: 48

約数和(自身を含む): 392911360

約数和(自身を除く): 185732935

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1395, 2325, 4185, 6975, 9901, 20925, 29703, 49505, 89109, 148515, 247525, 267327, 306931, 445545, 742575, 920793, 1336635, 1534655, 2227725, 2762379, 4603965, 6683175, 7673275, 8287137, 13811895, 23019825, 41435685, 69059475, 207178425]

約数ペア:

[(1, 207178425), (3, 69059475), (5, 41435685), (9, 23019825), (15, 13811895), (25, 8287137), (27, 7673275), (31, 6683175), (45, 4603965), (75, 2762379), (93, 2227725), (135, 1534655), (155, 1336635), (225, 920793), (279, 742575), (465, 445545), (675, 306931), (775, 267327), (837, 247525), (1395, 148515), (2325, 89109), (4185, 49505), (6975, 29703), (9901, 20925)]