39975831

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3221}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 66347424

約数和(自身を除く): 26371593

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 3221, 4137, 9663, 12411, 22547, 28989, 67641, 202923, 634537, 1903611, 4441759, 5710833, 13325277, 39975831]

約数ペア:

[(1, 39975831), (3, 13325277), (7, 5710833), (9, 4441759), (21, 1903611), (63, 634537), (197, 202923), (591, 67641), (1379, 28989), (1773, 22547), (3221, 12411), (4137, 9663)]