28031871

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8291}}^1$

素因数の和:8331

約数の個数: 24

約数和(自身を含む): 45373824

約数和(自身を除く): 17341953

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 8291, 24873, 58037, 174111, 190693, 406259, 572079, 1218777, 1334851, 4004553, 9343957, 28031871]

約数ペア:

[(1, 28031871), (3, 9343957), (7, 4004553), (21, 1334851), (23, 1218777), (49, 572079), (69, 406259), (147, 190693), (161, 174111), (483, 58037), (1127, 24873), (3381, 8291)]