31225005

素因数分解:

$3^2\times 5^1\times 7^4\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 90

約数和(自身を含む): 67072746

約数和(自身を除く): 35847741

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 289, 315, 343, 357, 441, 595, 735, 765, 833, 867, 1029, 1071, 1445, 1715, 1785, 2023, 2205, 2401, 2499, 2601, 3087, 4165, 4335, 5145, 5355, 5831, 6069, 7203, 7497, 10115, 12005, 12495, 13005, 14161, 15435, 17493, 18207, 21609, 29155, 30345, 36015, 37485, 40817, 42483, 52479, 70805, 87465, 91035, 99127, 108045, 122451, 127449, 204085, 212415, 262395, 297381, 367353, 495635, 612255, 637245, 693889, 892143, 1486905, 1836765, 2081667, 3469445, 4460715, 6245001, 10408335, 31225005]

約数ペア:

[(1, 31225005), (3, 10408335), (5, 6245001), (7, 4460715), (9, 3469445), (15, 2081667), (17, 1836765), (21, 1486905), (35, 892143), (45, 693889), (49, 637245), (51, 612255), (63, 495635), (85, 367353), (105, 297381), (119, 262395), (147, 212415), (153, 204085), (245, 127449), (255, 122451), (289, 108045), (315, 99127), (343, 91035), (357, 87465), (441, 70805), (595, 52479), (735, 42483), (765, 40817), (833, 37485), (867, 36015), (1029, 30345), (1071, 29155), (1445, 21609), (1715, 18207), (1785, 17493), (2023, 15435), (2205, 14161), (2401, 13005), (2499, 12495), (2601, 12005), (3087, 10115), (4165, 7497), (4335, 7203), (5145, 6069), (5355, 5831)]