81232347

素因数分解:

$3^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 127872000

約数和(自身を除く): 46639653

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 343, 623, 887, 1029, 1869, 2661, 4361, 6209, 13083, 18627, 30527, 43463, 78943, 91581, 130389, 236829, 304241, 552601, 912723, 1657803, 3868207, 11604621, 27077449, 81232347]

約数ペア:

[(1, 81232347), (3, 27077449), (7, 11604621), (21, 3868207), (49, 1657803), (89, 912723), (147, 552601), (267, 304241), (343, 236829), (623, 130389), (887, 91581), (1029, 78943), (1869, 43463), (2661, 30527), (4361, 18627), (6209, 13083)]