389876955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{54037}}^1$

素因数の和:54095

約数の個数: 32

約数和(自身を含む): 689957184

約数和(自身を除く): 300080229

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 54037, 162111, 270185, 702481, 810555, 1999369, 2107443, 3512405, 5998107, 9996845, 10537215, 25991797, 29990535, 77975391, 129958985, 389876955]

約数ペア:

[(1, 389876955), (3, 129958985), (5, 77975391), (13, 29990535), (15, 25991797), (37, 10537215), (39, 9996845), (65, 5998107), (111, 3512405), (185, 2107443), (195, 1999369), (481, 810555), (555, 702481), (1443, 270185), (2405, 162111), (7215, 54037)]