16197531

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 9607269

約数列:

[1, 3, 7, 21, 31, 93, 139, 179, 217, 417, 537, 651, 973, 1253, 2919, 3759, 4309, 5549, 12927, 16647, 24881, 30163, 38843, 74643, 90489, 116529, 174167, 522501, 771311, 2313933, 5399177, 16197531]

約数ペア:

[(1, 16197531), (3, 5399177), (7, 2313933), (21, 771311), (31, 522501), (93, 174167), (139, 116529), (179, 90489), (217, 74643), (417, 38843), (537, 30163), (651, 24881), (973, 16647), (1253, 12927), (2919, 5549), (3759, 4309)]