68918697

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{26497}}^1$

素因数の和:26537

約数の個数: 18

約数和(自身を含む): 105753518

約数和(自身を除く): 36834821

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 26497, 79491, 238473, 450449, 1351347, 4054041, 7657633, 22972899, 68918697]

約数ペア:

[(1, 68918697), (3, 22972899), (9, 7657633), (17, 4054041), (51, 1351347), (153, 450449), (289, 238473), (867, 79491), (2601, 26497)]