258923763

素因数分解:

$3^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{5209}}^1$

素因数の和:5488

約数の個数: 32

約数和(自身を含む): 440140800

約数和(自身を除く): 181217037

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 263, 789, 1841, 2367, 5209, 5523, 7101, 15627, 16569, 36463, 46881, 49707, 109389, 140643, 328167, 984501, 1369967, 4109901, 9589769, 12329703, 28769307, 36989109, 86307921, 258923763]

約数ペア:

[(1, 258923763), (3, 86307921), (7, 36989109), (9, 28769307), (21, 12329703), (27, 9589769), (63, 4109901), (189, 1369967), (263, 984501), (789, 328167), (1841, 140643), (2367, 109389), (5209, 49707), (5523, 46881), (7101, 36463), (15627, 16569)]