215344251

素因数分解:

$3^4\times {\mathrm{1019}}^1\times {\mathrm{2609}}^1$

素因数の和:3640

約数の個数: 20

約数和(自身を含む): 322126200

約数和(自身を除く): 106781949

約数列:

[1, 3, 9, 27, 81, 1019, 2609, 3057, 7827, 9171, 23481, 27513, 70443, 82539, 211329, 2658571, 7975713, 23927139, 71781417, 215344251]

約数ペア:

[(1, 215344251), (3, 71781417), (9, 23927139), (27, 7975713), (81, 2658571), (1019, 211329), (2609, 82539), (3057, 70443), (7827, 27513), (9171, 23481)]