205647372015

素因数分解:

$3^1\times 5^1\times {\mathrm{5381}}^1\times {\mathrm{2547821}}^1$

素因数の和:2553210

約数の個数: 16

約数和(自身を含む): 329097072096

約数和(自身を除く): 123449700081

約数列:

[1, 3, 5, 15, 5381, 16143, 26905, 80715, 2547821, 7643463, 12739105, 38217315, 13709824801, 41129474403, 68549124005, 205647372015]

約数ペア:

[(1, 205647372015), (3, 68549124005), (5, 41129474403), (15, 13709824801), (5381, 38217315), (16143, 12739105), (26905, 7643463), (80715, 2547821)]