561836289

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1408111}}^1$

素因数の和:1408140

約数の個数: 16

約数和(自身を含む): 901191680

約数和(自身を除く): 339355391

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1408111, 4224333, 9856777, 26754109, 29570331, 80262327, 187278763, 561836289]

約数ペア:

[(1, 561836289), (3, 187278763), (7, 80262327), (19, 29570331), (21, 26754109), (57, 9856777), (133, 4224333), (399, 1408111)]