201918759

素因数分解:

$3^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{3187}}^1$

素因数の和:3635

約数の個数: 24

約数和(自身を含む): 314005248

約数和(自身を除く): 112086489

約数列:

[1, 3, 7, 21, 49, 147, 431, 1293, 3017, 3187, 9051, 9561, 21119, 22309, 63357, 66927, 156163, 468489, 1373597, 4120791, 9615179, 28845537, 67306253, 201918759]

約数ペア:

[(1, 201918759), (3, 67306253), (7, 28845537), (21, 9615179), (49, 4120791), (147, 1373597), (431, 468489), (1293, 156163), (3017, 66927), (3187, 63357), (9051, 22309), (9561, 21119)]