201720945

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{286129}}^1$

素因数の和:286184

約数の個数: 16

約数和(自身を含む): 329621760

約数和(自身を除く): 127900815

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 286129, 858387, 1430645, 4291935, 13448063, 40344189, 67240315, 201720945]

約数ペア:

[(1, 201720945), (3, 67240315), (5, 40344189), (15, 13448063), (47, 4291935), (141, 1430645), (235, 858387), (705, 286129)]