4981347

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 8449376

約数和(自身を除く): 3468029

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2137, 2331, 6411, 14959, 19233, 44877, 79069, 134631, 237207, 553483, 711621, 1660449, 4981347]

約数ペア:

[(1, 4981347), (3, 1660449), (7, 711621), (9, 553483), (21, 237207), (37, 134631), (63, 79069), (111, 44877), (259, 19233), (333, 14959), (777, 6411), (2137, 2331)]