16386741

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 28993536

約数和(自身を除く): 12606795

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 263, 301, 387, 483, 789, 903, 989, 1449, 1841, 2367, 2709, 2967, 5523, 6049, 6923, 8901, 11309, 16569, 18147, 20769, 33927, 42343, 54441, 62307, 79163, 101781, 127029, 237489, 260107, 381087, 712467, 780321, 1820749, 2340963, 5462247, 16386741]

約数ペア:

[(1, 16386741), (3, 5462247), (7, 2340963), (9, 1820749), (21, 780321), (23, 712467), (43, 381087), (63, 260107), (69, 237489), (129, 127029), (161, 101781), (207, 79163), (263, 62307), (301, 54441), (387, 42343), (483, 33927), (789, 20769), (903, 18147), (989, 16569), (1449, 11309), (1841, 8901), (2367, 6923), (2709, 6049), (2967, 5523)]