291213657

素因数分解:

$3^3\times 7^1\times {\mathrm{1540813}}^1$

素因数の和:1540829

約数の個数: 16

約数和(自身を含む): 493060480

約数和(自身を除く): 201846823

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1540813, 4622439, 10785691, 13867317, 32357073, 41601951, 97071219, 291213657]

約数ペア:

[(1, 291213657), (3, 97071219), (7, 41601951), (9, 32357073), (21, 13867317), (27, 10785691), (63, 4622439), (189, 1540813)]