1251639

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 16

約数和(自身を含む): 1872640

約数和(自身を除く): 621001

約数列:

[1, 3, 9, 27, 151, 307, 453, 921, 1359, 2763, 4077, 8289, 46357, 139071, 417213, 1251639]

約数ペア:

[(1, 1251639), (3, 417213), (9, 139071), (27, 46357), (151, 8289), (307, 4077), (453, 2763), (921, 1359)]