118390419

素因数分解:

$3^2\times 7^2\times {\mathrm{268459}}^1$

素因数の和:268479

約数の個数: 18

約数和(自身を含む): 198928860

約数和(自身を除く): 80538441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 268459, 805377, 1879213, 2416131, 5637639, 13154491, 16912917, 39463473, 118390419]

約数ペア:

[(1, 118390419), (3, 39463473), (7, 16912917), (9, 13154491), (21, 5637639), (49, 2416131), (63, 1879213), (147, 805377), (441, 268459)]