2013547005

素因数分解:

$3^4\times 5^1\times {\mathrm{4971721}}^1$

素因数の和:4971738

約数の個数: 20

約数和(自身を含む): 3609470172

約数和(自身を除く): 1595923167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4971721, 14915163, 24858605, 44745489, 74575815, 134236467, 223727445, 402709401, 671182335, 2013547005]

約数ペア:

[(1, 2013547005), (3, 671182335), (5, 402709401), (9, 223727445), (15, 134236467), (27, 74575815), (45, 44745489), (81, 24858605), (135, 14915163), (405, 4971721)]