18192375

素因数分解:

$3^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 33324096

約数和(自身を除く): 15131721

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 125, 157, 225, 309, 375, 471, 515, 785, 927, 1125, 1413, 1545, 2355, 2575, 3925, 4635, 7065, 7725, 11775, 12875, 16171, 19625, 23175, 35325, 38625, 48513, 58875, 80855, 115875, 145539, 176625, 242565, 404275, 727695, 1212825, 2021375, 3638475, 6064125, 18192375]

約数ペア:

[(1, 18192375), (3, 6064125), (5, 3638475), (9, 2021375), (15, 1212825), (25, 727695), (45, 404275), (75, 242565), (103, 176625), (125, 145539), (157, 115875), (225, 80855), (309, 58875), (375, 48513), (471, 38625), (515, 35325), (785, 23175), (927, 19625), (1125, 16171), (1413, 12875), (1545, 11775), (2355, 7725), (2575, 7065), (3925, 4635)]