490403007

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{5431}}^1$

素因数の和:5643

約数の個数: 24

約数和(自身を含む): 723107840

約数和(自身を除く): 232704833

約数列:

[1, 3, 9, 79, 127, 237, 381, 711, 1143, 5431, 10033, 16293, 30099, 48879, 90297, 429049, 689737, 1287147, 2069211, 3861441, 6207633, 54489223, 163467669, 490403007]

約数ペア:

[(1, 490403007), (3, 163467669), (9, 54489223), (79, 6207633), (127, 3861441), (237, 2069211), (381, 1287147), (711, 689737), (1143, 429049), (5431, 90297), (10033, 48879), (16293, 30099)]