2151369

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 3504384

約数和(自身を除く): 1353015

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 701, 1023, 2103, 3069, 6309, 7711, 21731, 23133, 65193, 69399, 195579, 239041, 717123, 2151369]

約数ペア:

[(1, 2151369), (3, 717123), (9, 239041), (11, 195579), (31, 69399), (33, 65193), (93, 23133), (99, 21731), (279, 7711), (341, 6309), (701, 3069), (1023, 2103)]