681375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 1198080

約数和(自身を除く): 516705

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 79, 115, 125, 237, 345, 375, 395, 575, 1185, 1725, 1817, 1975, 2875, 5451, 5925, 8625, 9085, 9875, 27255, 29625, 45425, 136275, 227125, 681375]

約数ペア:

[(1, 681375), (3, 227125), (5, 136275), (15, 45425), (23, 29625), (25, 27255), (69, 9875), (75, 9085), (79, 8625), (115, 5925), (125, 5451), (237, 2875), (345, 1975), (375, 1817), (395, 1725), (575, 1185)]