211322289

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1\times {\mathrm{2551}}^1$

素因数の和:3128

約数の個数: 16

約数和(自身を含む): 287743104

約数和(自身を除く): 76420815

約数列:

[1, 3, 53, 159, 521, 1563, 2551, 7653, 27613, 82839, 135203, 405609, 1329071, 3987213, 70440763, 211322289]

約数ペア:

[(1, 211322289), (3, 70440763), (53, 3987213), (159, 1329071), (521, 405609), (1563, 135203), (2551, 82839), (7653, 27613)]