27687505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 34328448

約数和(自身を除く): 6640943

約数列:

[1, 5, 41, 131, 205, 655, 1031, 5155, 5371, 26855, 42271, 135061, 211355, 675305, 5537501, 27687505]

約数ペア:

[(1, 27687505), (5, 5537501), (41, 675305), (131, 211355), (205, 135061), (655, 42271), (1031, 26855), (5155, 5371)]