217184487

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2551}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 325839360

約数和(自身を除く): 108654873

約数列:

[1, 3, 13, 37, 39, 59, 111, 177, 481, 767, 1443, 2183, 2301, 2551, 6549, 7653, 28379, 33163, 85137, 94387, 99489, 150509, 283161, 451527, 1227031, 1956617, 3681093, 5568833, 5869851, 16706499, 72394829, 217184487]

約数ペア:

[(1, 217184487), (3, 72394829), (13, 16706499), (37, 5869851), (39, 5568833), (59, 3681093), (111, 1956617), (177, 1227031), (481, 451527), (767, 283161), (1443, 150509), (2183, 99489), (2301, 94387), (2551, 85137), (6549, 33163), (7653, 28379)]