28572843

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19801}}^1$

素因数の和:19854

約数の個数: 16

約数和(自身を含む): 42138656

約数和(自身を除く): 13565813

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19801, 59403, 257413, 732637, 772239, 2197911, 9524281, 28572843]

約数ペア:

[(1, 28572843), (3, 9524281), (13, 2197911), (37, 772239), (39, 732637), (111, 257413), (481, 59403), (1443, 19801)]