20177500917

素因数分解:

$3^1\times 7^2\times {\mathrm{137261911}}^1$

素因数の和:137261928

約数の個数: 12

約数和(自身を含む): 31295715936

約数和(自身を除く): 11118215019

約数列:

[1, 3, 7, 21, 49, 147, 137261911, 411785733, 960833377, 2882500131, 6725833639, 20177500917]

約数ペア:

[(1, 20177500917), (3, 6725833639), (7, 2882500131), (21, 960833377), (49, 411785733), (147, 137261911)]