85714209

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15287}}^1$

素因数の和:15389

約数の個数: 24

約数和(自身を含む): 143095680

約数和(自身を除く): 57381471

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 15287, 45861, 107009, 137583, 321027, 963081, 1360543, 4081629, 9523801, 12244887, 28571403, 85714209]

約数ペア:

[(1, 85714209), (3, 28571403), (7, 12244887), (9, 9523801), (21, 4081629), (63, 1360543), (89, 963081), (267, 321027), (623, 137583), (801, 107009), (1869, 45861), (5607, 15287)]