28507731

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4831}}^1$

素因数の和:5122

約数の個数: 16

約数和(自身を含む): 43603968

約数和(自身を除く): 15096237

約数列:

[1, 3, 7, 21, 281, 843, 1967, 4831, 5901, 14493, 33817, 101451, 1357511, 4072533, 9502577, 28507731]

約数ペア:

[(1, 28507731), (3, 9502577), (7, 4072533), (21, 1357511), (281, 101451), (843, 33817), (1967, 14493), (4831, 5901)]