215960031

素因数分解:

$3^2\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{2213}}^1$

素因数の和:3775

約数の個数: 24

約数和(自身を含む): 356896800

約数和(自身を除く): 140936769

約数列:

[1, 3, 7, 9, 21, 63, 1549, 2213, 4647, 6639, 10843, 13941, 15491, 19917, 32529, 46473, 97587, 139419, 3427937, 10283811, 23995559, 30851433, 71986677, 215960031]

約数ペア:

[(1, 215960031), (3, 71986677), (7, 30851433), (9, 23995559), (21, 10283811), (63, 3427937), (1549, 139419), (2213, 97587), (4647, 46473), (6639, 32529), (10843, 19917), (13941, 15491)]