28009443

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 47871488

約数和(自身を除く): 19862045

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 121, 151, 219, 231, 363, 453, 511, 803, 847, 1057, 1533, 1661, 2409, 2541, 3171, 4983, 5621, 8833, 11023, 11627, 16863, 18271, 26499, 33069, 34881, 54813, 61831, 77161, 121253, 127897, 185493, 231483, 363759, 383691, 848771, 1333783, 2546313, 4001349, 9336481, 28009443]

約数ペア:

[(1, 28009443), (3, 9336481), (7, 4001349), (11, 2546313), (21, 1333783), (33, 848771), (73, 383691), (77, 363759), (121, 231483), (151, 185493), (219, 127897), (231, 121253), (363, 77161), (453, 61831), (511, 54813), (803, 34881), (847, 33069), (1057, 26499), (1533, 18271), (1661, 16863), (2409, 11627), (2541, 11023), (3171, 8833), (4983, 5621)]