31684005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 27283995

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 153, 249, 255, 415, 499, 747, 765, 1245, 1411, 1497, 2495, 3735, 4233, 4491, 7055, 7485, 8483, 12699, 21165, 22455, 25449, 41417, 42415, 63495, 76347, 124251, 127245, 207085, 372753, 381735, 621255, 704089, 1863765, 2112267, 3520445, 6336801, 10561335, 31684005]

約数ペア:

[(1, 31684005), (3, 10561335), (5, 6336801), (9, 3520445), (15, 2112267), (17, 1863765), (45, 704089), (51, 621255), (83, 381735), (85, 372753), (153, 207085), (249, 127245), (255, 124251), (415, 76347), (499, 63495), (747, 42415), (765, 41417), (1245, 25449), (1411, 22455), (1497, 21165), (2495, 12699), (3735, 8483), (4233, 7485), (4491, 7055)]