8143125

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 14020512

約数和(自身を除く): 5877387

約数列:

[1, 3, 5, 15, 25, 43, 75, 101, 125, 129, 215, 303, 375, 505, 625, 645, 1075, 1515, 1875, 2525, 3225, 4343, 5375, 7575, 12625, 13029, 16125, 21715, 26875, 37875, 63125, 65145, 80625, 108575, 189375, 325725, 542875, 1628625, 2714375, 8143125]

約数ペア:

[(1, 8143125), (3, 2714375), (5, 1628625), (15, 542875), (25, 325725), (43, 189375), (75, 108575), (101, 80625), (125, 65145), (129, 63125), (215, 37875), (303, 26875), (375, 21715), (505, 16125), (625, 13029), (645, 12625), (1075, 7575), (1515, 5375), (1875, 4343), (2525, 3225)]