31701855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 55171584

約数和(自身を除く): 23469729

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 103, 213, 255, 289, 309, 355, 515, 867, 1065, 1207, 1445, 1545, 1751, 3621, 4335, 5253, 6035, 7313, 8755, 18105, 20519, 21939, 26265, 29767, 36565, 61557, 89301, 102595, 109695, 124321, 148835, 307785, 372963, 446505, 621605, 1864815, 2113457, 6340371, 10567285, 31701855]

約数ペア:

[(1, 31701855), (3, 10567285), (5, 6340371), (15, 2113457), (17, 1864815), (51, 621605), (71, 446505), (85, 372963), (103, 307785), (213, 148835), (255, 124321), (289, 109695), (309, 102595), (355, 89301), (515, 61557), (867, 36565), (1065, 29767), (1207, 26265), (1445, 21939), (1545, 20519), (1751, 18105), (3621, 8755), (4335, 7313), (5253, 6035)]