20151391

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 23189760

約数和(自身を除く): 3038369

約数列:

[1, 13, 43, 47, 59, 169, 559, 611, 767, 2021, 2537, 2773, 7267, 7943, 9971, 26273, 32981, 36049, 119239, 341549, 428753, 468637, 1550107, 20151391]

約数ペア:

[(1, 20151391), (13, 1550107), (43, 468637), (47, 428753), (59, 341549), (169, 119239), (559, 36049), (611, 32981), (767, 26273), (2021, 9971), (2537, 7943), (2773, 7267)]