211399227

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{15443}}^1$

素因数の和:15481

約数の個数: 30

約数和(自身を含む): 341976492

約数和(自身を除く): 130577265

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1521, 4563, 13689, 15443, 46329, 138987, 200759, 416961, 602277, 1250883, 1806831, 2609867, 5420493, 7829601, 16261479, 23488803, 70466409, 211399227]

約数ペア:

[(1, 211399227), (3, 70466409), (9, 23488803), (13, 16261479), (27, 7829601), (39, 5420493), (81, 2609867), (117, 1806831), (169, 1250883), (351, 602277), (507, 416961), (1053, 200759), (1521, 138987), (4563, 46329), (13689, 15443)]