87831155

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 113201088

約数和(自身を除く): 25369933

約数列:

[1, 5, 37, 43, 61, 181, 185, 215, 305, 905, 1591, 2257, 2623, 6697, 7783, 7955, 11041, 11285, 13115, 33485, 38915, 55205, 97051, 287971, 408517, 474763, 485255, 1439855, 2042585, 2373815, 17566231, 87831155]

約数ペア:

[(1, 87831155), (5, 17566231), (37, 2373815), (43, 2042585), (61, 1439855), (181, 485255), (185, 474763), (215, 408517), (305, 287971), (905, 97051), (1591, 55205), (2257, 38915), (2623, 33485), (6697, 13115), (7783, 11285), (7955, 11041)]