72530895

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 47219505

約数列:

[1, 3, 5, 15, 43, 129, 139, 215, 417, 645, 695, 809, 2085, 2427, 4045, 5977, 12135, 17931, 29885, 34787, 89655, 104361, 112451, 173935, 337353, 521805, 562255, 1686765, 4835393, 14506179, 24176965, 72530895]

約数ペア:

[(1, 72530895), (3, 24176965), (5, 14506179), (15, 4835393), (43, 1686765), (129, 562255), (139, 521805), (215, 337353), (417, 173935), (645, 112451), (695, 104361), (809, 89655), (2085, 34787), (2427, 29885), (4045, 17931), (5977, 12135)]