278345103

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 404490240

約数和(自身を除く): 126145137

約数列:

[1, 3, 23, 29, 69, 87, 113, 339, 667, 1231, 2001, 2599, 3277, 3693, 7797, 9831, 28313, 35699, 75371, 84939, 107097, 139103, 226113, 417309, 821077, 2463231, 3199369, 4033987, 9598107, 12101961, 92781701, 278345103]

約数ペア:

[(1, 278345103), (3, 92781701), (23, 12101961), (29, 9598107), (69, 4033987), (87, 3199369), (113, 2463231), (339, 821077), (667, 417309), (1231, 226113), (2001, 139103), (2599, 107097), (3277, 84939), (3693, 75371), (7797, 35699), (9831, 28313)]