27957209

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 32793600

約数和(自身を除く): 4836391

約数列:

[1, 7, 59, 139, 413, 487, 973, 3409, 8201, 28733, 57407, 67693, 201131, 473851, 3993887, 27957209]

約数ペア:

[(1, 27957209), (7, 3993887), (59, 473851), (139, 201131), (413, 67693), (487, 57407), (973, 28733), (3409, 8201)]