2158245

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^2$

素因数の和:163

約数の個数: 30

約数和(自身を含む): 3922578

約数和(自身を除く): 1764333

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 3285, 5329, 5913, 9855, 15987, 26645, 29565, 47961, 79935, 143883, 239805, 431649, 719415, 2158245]

約数ペア:

[(1, 2158245), (3, 719415), (5, 431649), (9, 239805), (15, 143883), (27, 79935), (45, 47961), (73, 29565), (81, 26645), (135, 15987), (219, 9855), (365, 5913), (405, 5329), (657, 3285), (1095, 1971)]