28118265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{953}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 51653376

約数和(自身を除く): 23535111

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 281, 843, 953, 1405, 1967, 2859, 4215, 4765, 5901, 6671, 9835, 14295, 20013, 29505, 33355, 100065, 267793, 803379, 1338965, 1874551, 4016895, 5623653, 9372755, 28118265]

約数ペア:

[(1, 28118265), (3, 9372755), (5, 5623653), (7, 4016895), (15, 1874551), (21, 1338965), (35, 803379), (105, 267793), (281, 100065), (843, 33355), (953, 29505), (1405, 20013), (1967, 14295), (2859, 9835), (4215, 6671), (4765, 5901)]