128973825

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{9397}}^1$

素因数の和:9474

約数の個数: 36

約数和(自身を含む): 234818428

約数和(自身を除く): 105844603

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1525, 2745, 4575, 9397, 13725, 28191, 46985, 84573, 140955, 234925, 422865, 573217, 704775, 1719651, 2114325, 2866085, 5158953, 8598255, 14330425, 25794765, 42991275, 128973825]

約数ペア:

[(1, 128973825), (3, 42991275), (5, 25794765), (9, 14330425), (15, 8598255), (25, 5158953), (45, 2866085), (61, 2114325), (75, 1719651), (183, 704775), (225, 573217), (305, 422865), (549, 234925), (915, 140955), (1525, 84573), (2745, 46985), (4575, 28191), (9397, 13725)]