2821815

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 4963920

約数和(自身を除く): 2142105

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 859, 1095, 2577, 3285, 4295, 7731, 12885, 38655, 62707, 188121, 313535, 564363, 940605, 2821815]

約数ペア:

[(1, 2821815), (3, 940605), (5, 564363), (9, 313535), (15, 188121), (45, 62707), (73, 38655), (219, 12885), (365, 7731), (657, 4295), (859, 3285), (1095, 2577)]