221707731

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{24049}}^1$

素因数の和:24498

約数の個数: 16

約数和(自身を含む): 338624000

約数和(自身を除く): 116916269

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 24049, 72147, 168343, 505029, 10557511, 31672533, 73902577, 221707731]

約数ペア:

[(1, 221707731), (3, 73902577), (7, 31672533), (21, 10557511), (439, 505029), (1317, 168343), (3073, 72147), (9219, 24049)]