31227963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 20865477

約数列:

[1, 3, 13, 17, 19, 37, 39, 51, 57, 67, 111, 201, 221, 247, 323, 481, 629, 663, 703, 741, 871, 969, 1139, 1273, 1443, 1887, 2109, 2479, 2613, 3417, 3819, 4199, 7437, 8177, 9139, 11951, 12597, 14807, 16549, 21641, 24531, 27417, 32227, 35853, 42143, 44421, 47101, 49647, 64923, 96681, 126429, 141303, 155363, 281333, 466089, 547859, 612313, 800717, 843999, 1643577, 1836939, 2402151, 10409321, 31227963]

約数ペア:

[(1, 31227963), (3, 10409321), (13, 2402151), (17, 1836939), (19, 1643577), (37, 843999), (39, 800717), (51, 612313), (57, 547859), (67, 466089), (111, 281333), (201, 155363), (221, 141303), (247, 126429), (323, 96681), (481, 64923), (629, 49647), (663, 47101), (703, 44421), (741, 42143), (871, 35853), (969, 32227), (1139, 27417), (1273, 24531), (1443, 21641), (1887, 16549), (2109, 14807), (2479, 12597), (2613, 11951), (3417, 9139), (3819, 8177), (4199, 7437)]