81033325

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 102627360

約数和(自身を除く): 21594035

約数列:

[1, 5, 25, 109, 131, 227, 545, 655, 1135, 2725, 3275, 5675, 14279, 24743, 29737, 71395, 123715, 148685, 356975, 618575, 743425, 3241333, 16206665, 81033325]

約数ペア:

[(1, 81033325), (5, 16206665), (25, 3241333), (109, 743425), (131, 618575), (227, 356975), (545, 148685), (655, 123715), (1135, 71395), (2725, 29737), (3275, 24743), (5675, 14279)]