248779713

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{130183}}^1$

素因数の和:130213

約数の個数: 24

約数和(自身を含む): 415547328

約数和(自身を除く): 166767615

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 130183, 390549, 911281, 1692379, 2733843, 5077137, 6378967, 11846653, 19136901, 35539959, 82926571, 248779713]

約数ペア:

[(1, 248779713), (3, 82926571), (7, 35539959), (13, 19136901), (21, 11846653), (39, 6378967), (49, 5077137), (91, 2733843), (147, 1692379), (273, 911281), (637, 390549), (1911, 130183)]