399063819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4441}}^1$

素因数の和:4851

約数の個数: 32

約数和(自身を含む): 665233920

約数和(自身を除く): 266170101

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 389, 1167, 2723, 4279, 4441, 8169, 12837, 13323, 29953, 31087, 48851, 89859, 93261, 146553, 341957, 1025871, 1727549, 5182647, 12092843, 19003039, 36278529, 57009117, 133021273, 399063819]

約数ペア:

[(1, 399063819), (3, 133021273), (7, 57009117), (11, 36278529), (21, 19003039), (33, 12092843), (77, 5182647), (231, 1727549), (389, 1025871), (1167, 341957), (2723, 146553), (4279, 93261), (4441, 89859), (8169, 48851), (12837, 31087), (13323, 29953)]