81613485

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21851}}^1$

素因数の和:21945

約数の個数: 24

約数和(自身を含む): 143174304

約数和(自身を除く): 61560819

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 21851, 65553, 109255, 196659, 327765, 983295, 1813633, 5440899, 9068165, 16322697, 27204495, 81613485]

約数ペア:

[(1, 81613485), (3, 27204495), (5, 16322697), (9, 9068165), (15, 5440899), (45, 1813633), (83, 983295), (249, 327765), (415, 196659), (747, 109255), (1245, 65553), (3735, 21851)]