71781375

素因数分解:

$3^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{2423}}^1$

素因数の和:2520

約数の個数: 32

約数和(自身を含む): 121006080

約数和(自身を除く): 49224705

約数列:

[1, 3, 5, 15, 25, 75, 79, 125, 237, 375, 395, 1185, 1975, 2423, 5925, 7269, 9875, 12115, 29625, 36345, 60575, 181725, 191417, 302875, 574251, 908625, 957085, 2871255, 4785425, 14356275, 23927125, 71781375]

約数ペア:

[(1, 71781375), (3, 23927125), (5, 14356275), (15, 4785425), (25, 2871255), (75, 957085), (79, 908625), (125, 574251), (237, 302875), (375, 191417), (395, 181725), (1185, 60575), (1975, 36345), (2423, 29625), (5925, 12115), (7269, 9875)]