71191875

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 121511104

約数和(自身を除く): 50319229

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 645, 883, 1075, 1875, 2649, 3225, 4415, 5375, 13245, 16125, 22075, 26875, 37969, 66225, 80625, 110375, 113907, 189845, 331125, 551875, 569535, 949225, 1655625, 2847675, 4746125, 14238375, 23730625, 71191875]

約数ペア:

[(1, 71191875), (3, 23730625), (5, 14238375), (15, 4746125), (25, 2847675), (43, 1655625), (75, 949225), (125, 569535), (129, 551875), (215, 331125), (375, 189845), (625, 113907), (645, 110375), (883, 80625), (1075, 66225), (1875, 37969), (2649, 26875), (3225, 22075), (4415, 16125), (5375, 13245)]