8018181

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 12380160

約数和(自身を除く): 4361979

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 991, 2697, 2973, 8091, 8919, 28739, 30721, 86217, 92163, 258651, 276489, 890909, 2672727, 8018181]

約数ペア:

[(1, 8018181), (3, 2672727), (9, 890909), (29, 276489), (31, 258651), (87, 92163), (93, 86217), (261, 30721), (279, 28739), (899, 8919), (991, 8091), (2697, 2973)]