12604005

素因数分解:

$3^4\times 5^1\times {\mathrm{31121}}^1$

素因数の和:31138

約数の個数: 20

約数和(自身を含む): 22594572

約数和(自身を除く): 9990567

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31121, 93363, 155605, 280089, 466815, 840267, 1400445, 2520801, 4201335, 12604005]

約数ペア:

[(1, 12604005), (3, 4201335), (5, 2520801), (9, 1400445), (15, 840267), (27, 466815), (45, 280089), (81, 155605), (135, 93363), (405, 31121)]