13784757

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 21902592

約数和(自身を除く): 8117835

約数列:

[1, 3, 7, 21, 37, 111, 113, 157, 259, 339, 471, 777, 791, 1099, 2373, 3297, 4181, 5809, 12543, 17427, 17741, 29267, 40663, 53223, 87801, 121989, 124187, 372561, 656417, 1969251, 4594919, 13784757]

約数ペア:

[(1, 13784757), (3, 4594919), (7, 1969251), (21, 656417), (37, 372561), (111, 124187), (113, 121989), (157, 87801), (259, 53223), (339, 40663), (471, 29267), (777, 17741), (791, 17427), (1099, 12543), (2373, 5809), (3297, 4181)]