12390003

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{1013}}^1$

素因数の和:1176

約数の個数: 20

約数和(自身を含む): 18649488

約数和(自身を除く): 6259485

約数列:

[1, 3, 9, 27, 81, 151, 453, 1013, 1359, 3039, 4077, 9117, 12231, 27351, 82053, 152963, 458889, 1376667, 4130001, 12390003]

約数ペア:

[(1, 12390003), (3, 4130001), (9, 1376667), (27, 458889), (81, 152963), (151, 82053), (453, 27351), (1013, 12231), (1359, 9117), (3039, 4077)]