42641289

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{9689}}^1$

素因数の和:9861

約数の個数: 16

約数和(自身を含む): 63566400

約数和(自身を除く): 20925111

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 9689, 29067, 87201, 261603, 1579307, 4737921, 14213763, 42641289]

約数ペア:

[(1, 42641289), (3, 14213763), (9, 4737921), (27, 1579307), (163, 261603), (489, 87201), (1467, 29067), (4401, 9689)]