81614481

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 124938240

約数和(自身を除く): 43323759

約数列:

[1, 3, 13, 19, 39, 57, 83, 247, 249, 741, 1079, 1327, 1577, 3237, 3981, 4731, 17251, 20501, 25213, 51753, 61503, 75639, 110141, 327769, 330423, 983307, 1431833, 2092679, 4295499, 6278037, 27204827, 81614481]

約数ペア:

[(1, 81614481), (3, 27204827), (13, 6278037), (19, 4295499), (39, 2092679), (57, 1431833), (83, 983307), (247, 330423), (249, 327769), (741, 110141), (1079, 75639), (1327, 61503), (1577, 51753), (3237, 25213), (3981, 20501), (4731, 17251)]