71487285

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 118039680

約数和(自身を除く): 46552395

約数列:

[1, 3, 5, 15, 43, 129, 137, 215, 411, 645, 685, 809, 2055, 2427, 4045, 5891, 12135, 17673, 29455, 34787, 88365, 104361, 110833, 173935, 332499, 521805, 554165, 1662495, 4765819, 14297457, 23829095, 71487285]

約数ペア:

[(1, 71487285), (3, 23829095), (5, 14297457), (15, 4765819), (43, 1662495), (129, 554165), (137, 521805), (215, 332499), (411, 173935), (645, 110833), (685, 104361), (809, 88365), (2055, 34787), (2427, 29455), (4045, 17673), (5891, 12135)]