31093125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 80

約数和(自身を含む): 62380032

約数和(自身を除く): 31286907

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 103, 105, 115, 125, 161, 175, 309, 345, 375, 483, 515, 525, 575, 625, 721, 805, 875, 1545, 1725, 1875, 2163, 2369, 2415, 2575, 2625, 2875, 3605, 4025, 4375, 7107, 7725, 8625, 10815, 11845, 12075, 12875, 13125, 14375, 16583, 18025, 20125, 35535, 38625, 43125, 49749, 54075, 59225, 60375, 64375, 82915, 90125, 100625, 177675, 193125, 248745, 270375, 296125, 301875, 414575, 450625, 888375, 1243725, 1351875, 1480625, 2072875, 4441875, 6218625, 10364375, 31093125]

約数ペア:

[(1, 31093125), (3, 10364375), (5, 6218625), (7, 4441875), (15, 2072875), (21, 1480625), (23, 1351875), (25, 1243725), (35, 888375), (69, 450625), (75, 414575), (103, 301875), (105, 296125), (115, 270375), (125, 248745), (161, 193125), (175, 177675), (309, 100625), (345, 90125), (375, 82915), (483, 64375), (515, 60375), (525, 59225), (575, 54075), (625, 49749), (721, 43125), (805, 38625), (875, 35535), (1545, 20125), (1725, 18025), (1875, 16583), (2163, 14375), (2369, 13125), (2415, 12875), (2575, 12075), (2625, 11845), (2875, 10815), (3605, 8625), (4025, 7725), (4375, 7107)]