2091015

素因数分解:

$3^5\times 5^1\times {\mathrm{1721}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 3760848

約数和(自身を除く): 1669833

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1721, 5163, 8605, 15489, 25815, 46467, 77445, 139401, 232335, 418203, 697005, 2091015]

約数ペア:

[(1, 2091015), (3, 697005), (5, 418203), (9, 232335), (15, 139401), (27, 77445), (45, 46467), (81, 25815), (135, 15489), (243, 8605), (405, 5163), (1215, 1721)]