398379969

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{17827}}^1$

素因数の和:18037

約数の個数: 24

約数和(自身を含む): 622981632

約数和(自身を除く): 224601663

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 1719, 2483, 7449, 17827, 22347, 53481, 160443, 231751, 695253, 2085759, 3404957, 10214871, 30644613, 44264441, 132793323, 398379969]

約数ペア:

[(1, 398379969), (3, 132793323), (9, 44264441), (13, 30644613), (39, 10214871), (117, 3404957), (191, 2085759), (573, 695253), (1719, 231751), (2483, 160443), (7449, 53481), (17827, 22347)]