1988763

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 3140928

約数和(自身を除く): 1152165

約数列:

[1, 3, 7, 21, 49, 83, 147, 163, 249, 489, 581, 1141, 1743, 3423, 4067, 7987, 12201, 13529, 23961, 40587, 94703, 284109, 662921, 1988763]

約数ペア:

[(1, 1988763), (3, 662921), (7, 284109), (21, 94703), (49, 40587), (83, 23961), (147, 13529), (163, 12201), (249, 7987), (489, 4067), (581, 3423), (1141, 1743)]