28353759

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7069}}^1$

素因数の和:7270

約数の個数: 16

約数和(自身を含む): 43438080

約数和(自身を除く): 15084321

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 7069, 21207, 49483, 148449, 1350179, 4050537, 9451253, 28353759]

約数ペア:

[(1, 28353759), (3, 9451253), (7, 4050537), (21, 1350179), (191, 148449), (573, 49483), (1337, 21207), (4011, 7069)]