72120111

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 118589184

約数和(自身を除く): 46469073

約数列:

[1, 3, 7, 21, 23, 49, 69, 83, 147, 161, 249, 257, 483, 581, 771, 1127, 1743, 1799, 1909, 3381, 4067, 5397, 5727, 5911, 12201, 12593, 13363, 17733, 21331, 37779, 40089, 41377, 63993, 93541, 124131, 149317, 280623, 289639, 447951, 490613, 868917, 1045219, 1471839, 3135657, 3434291, 10302873, 24040037, 72120111]

約数ペア:

[(1, 72120111), (3, 24040037), (7, 10302873), (21, 3434291), (23, 3135657), (49, 1471839), (69, 1045219), (83, 868917), (147, 490613), (161, 447951), (249, 289639), (257, 280623), (483, 149317), (581, 124131), (771, 93541), (1127, 63993), (1743, 41377), (1799, 40089), (1909, 37779), (3381, 21331), (4067, 17733), (5397, 13363), (5727, 12593), (5911, 12201)]