520079553

素因数分解:

$3^2\times 7^1\times {\mathrm{2137}}^1\times {\mathrm{3863}}^1$

素因数の和:6013

約数の個数: 24

約数和(自身を含む): 859168128

約数和(自身を除く): 339088575

約数列:

[1, 3, 7, 9, 21, 63, 2137, 3863, 6411, 11589, 14959, 19233, 27041, 34767, 44877, 81123, 134631, 243369, 8255231, 24765693, 57786617, 74297079, 173359851, 520079553]

約数ペア:

[(1, 520079553), (3, 173359851), (7, 74297079), (9, 57786617), (21, 24765693), (63, 8255231), (2137, 243369), (3863, 134631), (6411, 81123), (11589, 44877), (14959, 34767), (19233, 27041)]