87721731

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 134784000

約数和(自身を除く): 47062269

約数列:

[1, 3, 9, 27, 53, 59, 159, 177, 477, 531, 1039, 1431, 1593, 3117, 3127, 9351, 9381, 28053, 28143, 55067, 61301, 84429, 165201, 183903, 495603, 551709, 1486809, 1655127, 3248953, 9746859, 29240577, 87721731]

約数ペア:

[(1, 87721731), (3, 29240577), (9, 9746859), (27, 3248953), (53, 1655127), (59, 1486809), (159, 551709), (177, 495603), (477, 183903), (531, 165201), (1039, 84429), (1431, 61301), (1593, 55067), (3117, 28143), (3127, 28053), (9351, 9381)]