205364187

素因数分解:

$3^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2213}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 348572160

約数和(自身を除く): 143207973

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 491, 1473, 2213, 3437, 4419, 6639, 10311, 13257, 15491, 19917, 30933, 46473, 59751, 92799, 139419, 418257, 1086583, 3259749, 7606081, 9779247, 22818243, 29337741, 68454729, 205364187]

約数ペア:

[(1, 205364187), (3, 68454729), (7, 29337741), (9, 22818243), (21, 9779247), (27, 7606081), (63, 3259749), (189, 1086583), (491, 418257), (1473, 139419), (2213, 92799), (3437, 59751), (4419, 46473), (6639, 30933), (10311, 19917), (13257, 15491)]