390017817

素因数分解:

$3^2\times 7^1\times {\mathrm{937}}^1\times {\mathrm{6607}}^1$

素因数の和:7557

約数の個数: 24

約数和(自身を含む): 644623616

約数和(自身を除く): 254605799

約数列:

[1, 3, 7, 9, 21, 63, 937, 2811, 6559, 6607, 8433, 19677, 19821, 46249, 59031, 59463, 138747, 416241, 6190759, 18572277, 43335313, 55716831, 130005939, 390017817]

約数ペア:

[(1, 390017817), (3, 130005939), (7, 55716831), (9, 43335313), (21, 18572277), (63, 6190759), (937, 416241), (2811, 138747), (6559, 59463), (6607, 59031), (8433, 46249), (19677, 19821)]