212427909

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{208877}}^1$

素因数の和:208996

約数の個数: 12

約数和(自身を含む): 309557196

約数和(自身を除く): 97129287

約数列:

[1, 3, 9, 113, 339, 1017, 208877, 626631, 1879893, 23603101, 70809303, 212427909]

約数ペア:

[(1, 212427909), (3, 70809303), (9, 23603101), (113, 1879893), (339, 626631), (1017, 208877)]