81196689

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72953}}^1$

素因数の和:73016

約数の個数: 16

約数和(自身を含む): 126064512

約数和(自身を除く): 44867823

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 72953, 218859, 510671, 1532013, 3866509, 11599527, 27065563, 81196689]

約数ペア:

[(1, 81196689), (3, 27065563), (7, 11599527), (21, 3866509), (53, 1532013), (159, 510671), (371, 218859), (1113, 72953)]