79991997

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 114487296

約数和(自身を除く): 34495299

約数列:

[1, 3, 31, 43, 83, 93, 129, 241, 249, 723, 1333, 2573, 3569, 3999, 7471, 7719, 10363, 10707, 20003, 22413, 31089, 60009, 110639, 321253, 331917, 620093, 860129, 963759, 1860279, 2580387, 26663999, 79991997]

約数ペア:

[(1, 79991997), (3, 26663999), (31, 2580387), (43, 1860279), (83, 963759), (93, 860129), (129, 620093), (241, 331917), (249, 321253), (723, 110639), (1333, 60009), (2573, 31089), (3569, 22413), (3999, 20003), (7471, 10707), (7719, 10363)]