28390209

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 38873088

約数和(自身を除く): 10482879

約数列:

[1, 3, 47, 141, 227, 681, 887, 2661, 10669, 32007, 41689, 125067, 201349, 604047, 9463403, 28390209]

約数ペア:

[(1, 28390209), (3, 9463403), (47, 604047), (141, 201349), (227, 125067), (681, 41689), (887, 32007), (2661, 10669)]