12981813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2621}}^1$

素因数の和:2764

約数の個数: 16

約数和(自身を含む): 18794496

約数和(自身を除く): 5812683

約数列:

[1, 3, 13, 39, 127, 381, 1651, 2621, 4953, 7863, 34073, 102219, 332867, 998601, 4327271, 12981813]

約数ペア:

[(1, 12981813), (3, 4327271), (13, 998601), (39, 332867), (127, 102219), (381, 34073), (1651, 7863), (2621, 4953)]