31951359

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 53913600

約数和(自身を除く): 21962241

約数列:

[1, 3, 9, 11, 29, 31, 33, 87, 93, 99, 261, 279, 319, 341, 359, 899, 957, 1023, 1077, 2697, 2871, 3069, 3231, 3949, 8091, 9889, 10411, 11129, 11847, 29667, 31233, 33387, 35541, 89001, 93699, 100161, 114521, 122419, 322741, 343563, 367257, 968223, 1030689, 1101771, 2904669, 3550151, 10650453, 31951359]

約数ペア:

[(1, 31951359), (3, 10650453), (9, 3550151), (11, 2904669), (29, 1101771), (31, 1030689), (33, 968223), (87, 367257), (93, 343563), (99, 322741), (261, 122419), (279, 114521), (319, 100161), (341, 93699), (359, 89001), (899, 35541), (957, 33387), (1023, 31233), (1077, 29667), (2697, 11847), (2871, 11129), (3069, 10411), (3231, 9889), (3949, 8091)]