249753609

素因数分解:

$3^2\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{2053}}^1$

素因数の和:3997

約数の個数: 24

約数和(自身を含む): 412706112

約数和(自身を除く): 162952503

約数列:

[1, 3, 7, 9, 21, 63, 1931, 2053, 5793, 6159, 13517, 14371, 17379, 18477, 40551, 43113, 121653, 129339, 3964343, 11893029, 27750401, 35679087, 83251203, 249753609]

約数ペア:

[(1, 249753609), (3, 83251203), (7, 35679087), (9, 27750401), (21, 11893029), (63, 3964343), (1931, 129339), (2053, 121653), (5793, 43113), (6159, 40551), (13517, 18477), (14371, 17379)]