30891553

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17443}}^1$

素因数の和:17484

約数の個数: 16

約数和(自身を含む): 40190976

約数和(自身を除く): 9299423

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 17443, 122101, 191873, 401189, 1343111, 2808323, 4413079, 30891553]

約数ペア:

[(1, 30891553), (7, 4413079), (11, 2808323), (23, 1343111), (77, 401189), (161, 191873), (253, 122101), (1771, 17443)]