12840615

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{659}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 22342320

約数和(自身を除く): 9501705

約数列:

[1, 3, 5, 9, 15, 45, 433, 659, 1299, 1977, 2165, 3295, 3897, 5931, 6495, 9885, 19485, 29655, 285347, 856041, 1426735, 2568123, 4280205, 12840615]

約数ペア:

[(1, 12840615), (3, 4280205), (5, 2568123), (9, 1426735), (15, 856041), (45, 285347), (433, 29655), (659, 19485), (1299, 9885), (1977, 6495), (2165, 5931), (3295, 3897)]