81619941

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 124806528

約数和(自身を除く): 43186587

約数列:

[1, 3, 13, 17, 39, 51, 221, 307, 401, 663, 921, 1203, 3991, 5213, 5219, 6817, 11973, 15639, 15657, 20451, 67847, 88621, 123107, 203541, 265863, 369321, 1600391, 2092819, 4801173, 6278457, 27206647, 81619941]

約数ペア:

[(1, 81619941), (3, 27206647), (13, 6278457), (17, 4801173), (39, 2092819), (51, 1600391), (221, 369321), (307, 265863), (401, 203541), (663, 123107), (921, 88621), (1203, 67847), (3991, 20451), (5213, 15657), (5219, 15639), (6817, 11973)]