9978075

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 18189808

約数和(自身を除く): 8211733

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 727, 915, 1525, 2181, 2745, 3635, 4575, 6543, 10905, 13725, 18175, 32715, 44347, 54525, 133041, 163575, 221735, 399123, 665205, 1108675, 1995615, 3326025, 9978075]

約数ペア:

[(1, 9978075), (3, 3326025), (5, 1995615), (9, 1108675), (15, 665205), (25, 399123), (45, 221735), (61, 163575), (75, 133041), (183, 54525), (225, 44347), (305, 32715), (549, 18175), (727, 13725), (915, 10905), (1525, 6543), (2181, 4575), (2745, 3635)]