87708987

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{18353}}^1$

素因数の和:18424

約数の個数: 20

約数和(自身を含む): 133250040

約数和(自身を除く): 45541053

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 18353, 55059, 165177, 495531, 1082827, 1486593, 3248481, 9745443, 29236329, 87708987]

約数ペア:

[(1, 87708987), (3, 29236329), (9, 9745443), (27, 3248481), (59, 1486593), (81, 1082827), (177, 495531), (531, 165177), (1593, 55059), (4779, 18353)]