2153115

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 3931200

約数和(自身を除く): 1778085

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 389, 615, 1107, 1167, 1845, 1945, 3501, 5535, 5835, 10503, 15949, 17505, 47847, 52515, 79745, 143541, 239235, 430623, 717705, 2153115]

約数ペア:

[(1, 2153115), (3, 717705), (5, 430623), (9, 239235), (15, 143541), (27, 79745), (41, 52515), (45, 47847), (123, 17505), (135, 15949), (205, 10503), (369, 5835), (389, 5535), (615, 3501), (1107, 1945), (1167, 1845)]