853251

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 1333248

約数和(自身を除く): 479997

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 991, 2973, 6937, 20811, 40631, 121893, 284417, 853251]

約数ペア:

[(1, 853251), (3, 284417), (7, 121893), (21, 40631), (41, 20811), (123, 6937), (287, 2973), (861, 991)]