1626345

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 3306240

約数和(自身を除く): 1679895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1721, 5163, 8605, 12047, 15489, 25815, 36141, 46467, 60235, 77445, 108423, 180705, 232335, 325269, 542115, 1626345]

約数ペア:

[(1, 1626345), (3, 542115), (5, 325269), (7, 232335), (9, 180705), (15, 108423), (21, 77445), (27, 60235), (35, 46467), (45, 36141), (63, 25815), (105, 15489), (135, 12047), (189, 8605), (315, 5163), (945, 1721)]