42920815

素因数分解:

$5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 60246720

約数和(自身を除く): 17325905

約数列:

[1, 5, 7, 35, 49, 239, 245, 733, 1195, 1673, 3665, 5131, 8365, 11711, 25655, 35917, 58555, 175187, 179585, 875935, 1226309, 6131545, 8584163, 42920815]

約数ペア:

[(1, 42920815), (5, 8584163), (7, 6131545), (35, 1226309), (49, 875935), (239, 179585), (245, 175187), (733, 58555), (1195, 35917), (1673, 25655), (3665, 11711), (5131, 8365)]