81565125

素因数分解:

$3^1\times 5^3\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 136531200

約数和(自身を除く): 54966075

約数列:

[1, 3, 5, 15, 25, 75, 125, 199, 375, 597, 995, 1093, 2985, 3279, 4975, 5465, 14925, 16395, 24875, 27325, 74625, 81975, 136625, 217507, 409875, 652521, 1087535, 3262605, 5437675, 16313025, 27188375, 81565125]

約数ペア:

[(1, 81565125), (3, 27188375), (5, 16313025), (15, 5437675), (25, 3262605), (75, 1087535), (125, 652521), (199, 409875), (375, 217507), (597, 136625), (995, 81975), (1093, 74625), (2985, 27325), (3279, 24875), (4975, 16395), (5465, 14925)]