86991831

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 127777104

約数和(自身を除く): 40785273

約数列:

[1, 3, 9, 97, 251, 291, 397, 753, 873, 1191, 2259, 3573, 24347, 38509, 73041, 99647, 115527, 219123, 298941, 346581, 896823, 9665759, 28997277, 86991831]

約数ペア:

[(1, 86991831), (3, 28997277), (9, 9665759), (97, 896823), (251, 346581), (291, 298941), (397, 219123), (753, 115527), (873, 99647), (1191, 73041), (2259, 38509), (3573, 24347)]