27867855

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 45785088

約数和(自身を除く): 17917233

約数列:

[1, 3, 5, 15, 71, 137, 191, 213, 355, 411, 573, 685, 955, 1065, 2055, 2865, 9727, 13561, 26167, 29181, 40683, 48635, 67805, 78501, 130835, 145905, 203415, 392505, 1857857, 5573571, 9289285, 27867855]

約数ペア:

[(1, 27867855), (3, 9289285), (5, 5573571), (15, 1857857), (71, 392505), (137, 203415), (191, 145905), (213, 130835), (355, 78501), (411, 67805), (573, 48635), (685, 40683), (955, 29181), (1065, 26167), (2055, 13561), (2865, 9727)]