28725801

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 44892288

約数和(自身を除く): 16166487

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1171, 1443, 1887, 3513, 8177, 15223, 19907, 24531, 43327, 45669, 59721, 129981, 258791, 563251, 736559, 776373, 1689753, 2209677, 9575267, 28725801]

約数ペア:

[(1, 28725801), (3, 9575267), (13, 2209677), (17, 1689753), (37, 776373), (39, 736559), (51, 563251), (111, 258791), (221, 129981), (481, 59721), (629, 45669), (663, 43327), (1171, 24531), (1443, 19907), (1887, 15223), (3513, 8177)]