55542915

素因数分解:

$3^4\times 5^1\times {\mathrm{137143}}^1$

素因数の和:137160

約数の個数: 20

約数和(自身を含む): 99566544

約数和(自身を除く): 44023629

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 137143, 411429, 685715, 1234287, 2057145, 3702861, 6171435, 11108583, 18514305, 55542915]

約数ペア:

[(1, 55542915), (3, 18514305), (5, 11108583), (9, 6171435), (15, 3702861), (27, 2057145), (45, 1234287), (81, 685715), (135, 411429), (405, 137143)]