20171601

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 30476160

約数和(自身を除く): 10304559

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 1109, 2021, 3327, 6063, 9981, 18189, 47687, 52123, 143061, 156369, 429183, 469107, 2241289, 6723867, 20171601]

約数ペア:

[(1, 20171601), (3, 6723867), (9, 2241289), (43, 469107), (47, 429183), (129, 156369), (141, 143061), (387, 52123), (423, 47687), (1109, 18189), (2021, 9981), (3327, 6063)]