891885747

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{87517}}^1$

素因数の和:87642

約数の個数: 16

約数和(自身を含む): 1232253440

約数和(自身を除く): 340367693

約数列:

[1, 3, 43, 79, 129, 237, 3397, 10191, 87517, 262551, 3763231, 6913843, 11289693, 20741529, 297295249, 891885747]

約数ペア:

[(1, 891885747), (3, 297295249), (43, 20741529), (79, 11289693), (129, 6913843), (237, 3763231), (3397, 262551), (10191, 87517)]