64542375

素因数分解:

$3^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 117688896

約数和(自身を除く): 53146521

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 125, 225, 309, 375, 515, 557, 927, 1125, 1545, 1671, 2575, 2785, 4635, 5013, 7725, 8355, 12875, 13925, 23175, 25065, 38625, 41775, 57371, 69625, 115875, 125325, 172113, 208875, 286855, 516339, 626625, 860565, 1434275, 2581695, 4302825, 7171375, 12908475, 21514125, 64542375]

約数ペア:

[(1, 64542375), (3, 21514125), (5, 12908475), (9, 7171375), (15, 4302825), (25, 2581695), (45, 1434275), (75, 860565), (103, 626625), (125, 516339), (225, 286855), (309, 208875), (375, 172113), (515, 125325), (557, 115875), (927, 69625), (1125, 57371), (1545, 41775), (1671, 38625), (2575, 25065), (2785, 23175), (4635, 13925), (5013, 12875), (7725, 8355)]