240147243

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{7639}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 397280000

約数和(自身を除く): 157132757

約数列:

[1, 3, 7, 9, 21, 63, 499, 1497, 3493, 4491, 7639, 10479, 22917, 31437, 53473, 68751, 160419, 481257, 3811861, 11435583, 26683027, 34306749, 80049081, 240147243]

約数ペア:

[(1, 240147243), (3, 80049081), (7, 34306749), (9, 26683027), (21, 11435583), (63, 3811861), (499, 481257), (1497, 160419), (3493, 68751), (4491, 53473), (7639, 31437), (10479, 22917)]