291208869

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{42407}}^1$

素因数の和:42529

約数の個数: 24

約数和(自身を含む): 485147520

約数和(自身を除く): 193938651

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 42407, 127221, 296849, 381663, 890547, 2671641, 4622363, 13867089, 32356541, 41601267, 97069623, 291208869]

約数ペア:

[(1, 291208869), (3, 97069623), (7, 41601267), (9, 32356541), (21, 13867089), (63, 4622363), (109, 2671641), (327, 890547), (763, 381663), (981, 296849), (2289, 127221), (6867, 42407)]