28116795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{809}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 51632640

約数和(自身を除く): 23515845

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 331, 809, 993, 1655, 2317, 2427, 4045, 4965, 5663, 6951, 11585, 12135, 16989, 28315, 34755, 84945, 267779, 803337, 1338895, 1874453, 4016685, 5623359, 9372265, 28116795]

約数ペア:

[(1, 28116795), (3, 9372265), (5, 5623359), (7, 4016685), (15, 1874453), (21, 1338895), (35, 803337), (105, 267779), (331, 84945), (809, 34755), (993, 28315), (1655, 16989), (2317, 12135), (2427, 11585), (4045, 6951), (4965, 5663)]