289364757

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6899}}^1$

素因数の和:6985

約数の個数: 32

約数和(自身を含む): 445132800

約数和(自身を除く): 155768043

約数列:

[1, 3, 11, 31, 33, 41, 93, 123, 341, 451, 1023, 1271, 1353, 3813, 6899, 13981, 20697, 41943, 75889, 213869, 227667, 282859, 641607, 848577, 2352559, 3111449, 7057677, 8768629, 9334347, 26305887, 96454919, 289364757]

約数ペア:

[(1, 289364757), (3, 96454919), (11, 26305887), (31, 9334347), (33, 8768629), (41, 7057677), (93, 3111449), (123, 2352559), (341, 848577), (451, 641607), (1023, 282859), (1271, 227667), (1353, 213869), (3813, 75889), (6899, 41943), (13981, 20697)]