61729125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 113757696

約数和(自身を除く): 52028571

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 255, 345, 375, 391, 421, 425, 575, 1173, 1263, 1275, 1725, 1955, 2105, 2125, 2875, 5865, 6315, 6375, 7157, 8625, 9683, 9775, 10525, 21471, 29049, 29325, 31575, 35785, 48415, 48875, 52625, 107355, 145245, 146625, 157875, 164611, 178925, 242075, 493833, 536775, 726225, 823055, 894625, 1210375, 2469165, 2683875, 3631125, 4115275, 12345825, 20576375, 61729125]

約数ペア:

[(1, 61729125), (3, 20576375), (5, 12345825), (15, 4115275), (17, 3631125), (23, 2683875), (25, 2469165), (51, 1210375), (69, 894625), (75, 823055), (85, 726225), (115, 536775), (125, 493833), (255, 242075), (345, 178925), (375, 164611), (391, 157875), (421, 146625), (425, 145245), (575, 107355), (1173, 52625), (1263, 48875), (1275, 48415), (1725, 35785), (1955, 31575), (2105, 29325), (2125, 29049), (2875, 21471), (5865, 10525), (6315, 9775), (6375, 9683), (7157, 8625)]