15883125

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 40

約数和(自身を含む): 27216288

約数和(自身を除く): 11333163

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 197, 215, 375, 591, 625, 645, 985, 1075, 1875, 2955, 3225, 4925, 5375, 8471, 14775, 16125, 24625, 25413, 26875, 42355, 73875, 80625, 123125, 127065, 211775, 369375, 635325, 1058875, 3176625, 5294375, 15883125]

約数ペア:

[(1, 15883125), (3, 5294375), (5, 3176625), (15, 1058875), (25, 635325), (43, 369375), (75, 211775), (125, 127065), (129, 123125), (197, 80625), (215, 73875), (375, 42355), (591, 26875), (625, 25413), (645, 24625), (985, 16125), (1075, 14775), (1875, 8471), (2955, 5375), (3225, 4925)]