81643869

素因数分解:

$3^5\times {\mathrm{179}}^1\times {\mathrm{1877}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 123046560

約数和(自身を除く): 41402691

約数列:

[1, 3, 9, 27, 81, 179, 243, 537, 1611, 1877, 4833, 5631, 14499, 16893, 43497, 50679, 152037, 335983, 456111, 1007949, 3023847, 9071541, 27214623, 81643869]

約数ペア:

[(1, 81643869), (3, 27214623), (9, 9071541), (27, 3023847), (81, 1007949), (179, 456111), (243, 335983), (537, 152037), (1611, 50679), (1877, 43497), (4833, 16893), (5631, 14499)]