3961867

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 5217696

約数和(自身を除く): 1255829

約数列:

[1, 7, 13, 17, 91, 119, 169, 197, 221, 1183, 1379, 1547, 2561, 2873, 3349, 17927, 20111, 23443, 33293, 43537, 233051, 304759, 565981, 3961867]

約数ペア:

[(1, 3961867), (7, 565981), (13, 304759), (17, 233051), (91, 43537), (119, 33293), (169, 23443), (197, 20111), (221, 17927), (1183, 3349), (1379, 2873), (1547, 2561)]