91991457

素因数分解:

$3^4\times {\mathrm{607}}^1\times {\mathrm{1871}}^1$

素因数の和:2490

約数の個数: 20

約数和(自身を含む): 137719296

約数和(自身を除く): 45727839

約数列:

[1, 3, 9, 27, 81, 607, 1821, 1871, 5463, 5613, 16389, 16839, 49167, 50517, 151551, 1135697, 3407091, 10221273, 30663819, 91991457]

約数ペア:

[(1, 91991457), (3, 30663819), (9, 10221273), (27, 3407091), (81, 1135697), (607, 151551), (1821, 50517), (1871, 49167), (5463, 16839), (5613, 16389)]