258764517

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{3907}}^1$

素因数の和:4150

約数の個数: 32

約数和(自身を含む): 420188160

約数和(自身を除く): 161423643

約数列:

[1, 3, 9, 11, 27, 33, 99, 223, 297, 669, 2007, 2453, 3907, 6021, 7359, 11721, 22077, 35163, 42977, 66231, 105489, 128931, 386793, 871261, 1160379, 2613783, 7841349, 9583871, 23524047, 28751613, 86254839, 258764517]

約数ペア:

[(1, 258764517), (3, 86254839), (9, 28751613), (11, 23524047), (27, 9583871), (33, 7841349), (99, 2613783), (223, 1160379), (297, 871261), (669, 386793), (2007, 128931), (2453, 105489), (3907, 66231), (6021, 42977), (7359, 35163), (11721, 22077)]