81344445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2591}}^1$

素因数の和:2642

約数の個数: 64

約数和(自身を含む): 167215104

約数和(自身を除く): 85870659

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 455, 483, 805, 897, 1365, 1495, 2093, 2415, 2591, 4485, 6279, 7773, 10465, 12955, 18137, 31395, 33683, 38865, 54411, 59593, 90685, 101049, 168415, 178779, 235781, 272055, 297965, 417151, 505245, 707343, 774709, 893895, 1178905, 1251453, 2085755, 2324127, 3536715, 3873545, 5422963, 6257265, 11620635, 16268889, 27114815, 81344445]

約数ペア:

[(1, 81344445), (3, 27114815), (5, 16268889), (7, 11620635), (13, 6257265), (15, 5422963), (21, 3873545), (23, 3536715), (35, 2324127), (39, 2085755), (65, 1251453), (69, 1178905), (91, 893895), (105, 774709), (115, 707343), (161, 505245), (195, 417151), (273, 297965), (299, 272055), (345, 235781), (455, 178779), (483, 168415), (805, 101049), (897, 90685), (1365, 59593), (1495, 54411), (2093, 38865), (2415, 33683), (2591, 31395), (4485, 18137), (6279, 12955), (7773, 10465)]