27901775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 37990128

約数和(自身を除く): 10088353

約数列:

[1, 5, 11, 25, 55, 241, 275, 421, 1205, 2105, 2651, 4631, 6025, 10525, 13255, 23155, 66275, 101461, 115775, 507305, 1116071, 2536525, 5580355, 27901775]

約数ペア:

[(1, 27901775), (5, 5580355), (11, 2536525), (25, 1116071), (55, 507305), (241, 115775), (275, 101461), (421, 66275), (1205, 23155), (2105, 13255), (2651, 10525), (4631, 6025)]