291226671

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{123979}}^1$

素因数の和:124020

約数の個数: 20

約数和(自身を含む): 450047400

約数和(自身を除く): 158820729

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 123979, 371937, 1115811, 3347433, 3595391, 10042299, 10786173, 32358519, 97075557, 291226671]

約数ペア:

[(1, 291226671), (3, 97075557), (9, 32358519), (27, 10786173), (29, 10042299), (81, 3595391), (87, 3347433), (261, 1115811), (783, 371937), (2349, 123979)]