31540005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 62899200

約数和(自身を除く): 31359195

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 223, 315, 449, 669, 1115, 1347, 1561, 2007, 2245, 3143, 3345, 4041, 4683, 6735, 7805, 9429, 10035, 14049, 15715, 20205, 23415, 28287, 47145, 70245, 100127, 141435, 300381, 500635, 700889, 901143, 1501905, 2102667, 3504445, 4505715, 6308001, 10513335, 31540005]

約数ペア:

[(1, 31540005), (3, 10513335), (5, 6308001), (7, 4505715), (9, 3504445), (15, 2102667), (21, 1501905), (35, 901143), (45, 700889), (63, 500635), (105, 300381), (223, 141435), (315, 100127), (449, 70245), (669, 47145), (1115, 28287), (1347, 23415), (1561, 20205), (2007, 15715), (2245, 14049), (3143, 10035), (3345, 9429), (4041, 7805), (4683, 6735)]