99869891

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{491}}^1$

素因数の和:595

約数の個数: 18

約数和(自身を含む): 112746228

約数和(自身を除く): 12876337

約数列:

[1, 11, 41, 121, 451, 491, 1681, 4961, 5401, 18491, 20131, 59411, 203401, 221441, 825371, 2435851, 9079081, 99869891]

約数ペア:

[(1, 99869891), (11, 9079081), (41, 2435851), (121, 825371), (451, 221441), (491, 203401), (1681, 59411), (4961, 20131), (5401, 18491)]