724497021

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{164621}}^1$

素因数の和:164793

約数の個数: 16

約数和(自身を含む): 1079920320

約数和(自身を除く): 355423299

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 164621, 493863, 1481589, 4444767, 26833223, 80499669, 241499007, 724497021]

約数ペア:

[(1, 724497021), (3, 241499007), (9, 80499669), (27, 26833223), (163, 4444767), (489, 1481589), (1467, 493863), (4401, 164621)]