87861255

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 144840960

約数和(自身を除く): 56979705

約数列:

[1, 3, 5, 15, 43, 129, 179, 215, 537, 645, 761, 895, 2283, 2685, 3805, 7697, 11415, 23091, 32723, 38485, 98169, 115455, 136219, 163615, 408657, 490845, 681095, 2043285, 5857417, 17572251, 29287085, 87861255]

約数ペア:

[(1, 87861255), (3, 29287085), (5, 17572251), (15, 5857417), (43, 2043285), (129, 681095), (179, 490845), (215, 408657), (537, 163615), (645, 136219), (761, 115455), (895, 98169), (2283, 38485), (2685, 32723), (3805, 23091), (7697, 11415)]