389011077

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{474983}}^1$

素因数の和:475009

約数の個数: 24

約数和(自身を含む): 691576704

約数和(自身を除く): 302565627

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 474983, 1424949, 3324881, 4274847, 6174779, 9974643, 18524337, 29923929, 43223453, 55573011, 129670359, 389011077]

約数ペア:

[(1, 389011077), (3, 129670359), (7, 55573011), (9, 43223453), (13, 29923929), (21, 18524337), (39, 9974643), (63, 6174779), (91, 4274847), (117, 3324881), (273, 1424949), (819, 474983)]