389397789

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 637797888

約数和(自身を除く): 248400099

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 181, 279, 341, 543, 701, 1023, 1629, 1991, 2103, 3069, 5611, 5973, 6309, 7711, 16833, 17919, 21731, 23133, 50499, 61721, 65193, 69399, 126881, 185163, 195579, 239041, 380643, 555489, 717123, 1141929, 1395691, 2151369, 3933311, 4187073, 11799933, 12561219, 35399799, 43266421, 129799263, 389397789]

約数ペア:

[(1, 389397789), (3, 129799263), (9, 43266421), (11, 35399799), (31, 12561219), (33, 11799933), (93, 4187073), (99, 3933311), (181, 2151369), (279, 1395691), (341, 1141929), (543, 717123), (701, 555489), (1023, 380643), (1629, 239041), (1991, 195579), (2103, 185163), (3069, 126881), (5611, 69399), (5973, 65193), (6309, 61721), (7711, 50499), (16833, 23133), (17919, 21731)]