87581325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 159642560

約数和(自身を除く): 72061235

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1677, 2089, 2795, 3225, 6267, 8385, 10445, 13975, 27157, 31335, 41925, 52225, 81471, 89827, 135785, 156675, 269481, 407355, 449135, 678925, 1167751, 1347405, 2036775, 2245675, 3503253, 5838755, 6737025, 17516265, 29193775, 87581325]

約数ペア:

[(1, 87581325), (3, 29193775), (5, 17516265), (13, 6737025), (15, 5838755), (25, 3503253), (39, 2245675), (43, 2036775), (65, 1347405), (75, 1167751), (129, 678925), (195, 449135), (215, 407355), (325, 269481), (559, 156675), (645, 135785), (975, 89827), (1075, 81471), (1677, 52225), (2089, 41925), (2795, 31335), (3225, 27157), (6267, 13975), (8385, 10445)]