1216650981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1\times {\mathrm{2551}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 1998481408

約数和(自身を除く): 781830427

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1747, 2551, 5241, 7653, 12229, 17857, 22711, 33163, 36687, 53571, 68133, 99489, 158977, 232141, 476931, 696423, 4456597, 13369791, 31196179, 57935761, 93588537, 173807283, 405550327, 1216650981]

約数ペア:

[(1, 1216650981), (3, 405550327), (7, 173807283), (13, 93588537), (21, 57935761), (39, 31196179), (91, 13369791), (273, 4456597), (1747, 696423), (2551, 476931), (5241, 232141), (7653, 158977), (12229, 99489), (17857, 68133), (22711, 53571), (33163, 36687)]