2197665

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 3978240

約数和(自身を除く): 1780575

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 223, 365, 657, 669, 1095, 1115, 1971, 2007, 3285, 3345, 6021, 9855, 10035, 16279, 30105, 48837, 81395, 146511, 244185, 439533, 732555, 2197665]

約数ペア:

[(1, 2197665), (3, 732555), (5, 439533), (9, 244185), (15, 146511), (27, 81395), (45, 48837), (73, 30105), (135, 16279), (219, 10035), (223, 9855), (365, 6021), (657, 3345), (669, 3285), (1095, 2007), (1115, 1971)]