87590457

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{20663}}^1$

素因数の和:20829

約数の個数: 16

約数和(自身を含む): 130596480

約数和(自身を除く): 43006023

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 20663, 61989, 185967, 557901, 3244091, 9732273, 29196819, 87590457]

約数ペア:

[(1, 87590457), (3, 29196819), (9, 9732273), (27, 3244091), (157, 557901), (471, 185967), (1413, 61989), (4239, 20663)]