40819857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 60821376

約数和(自身を除く): 20001519

約数列:

[1, 3, 13, 39, 43, 101, 129, 241, 303, 559, 723, 1313, 1677, 3133, 3939, 4343, 9399, 10363, 13029, 24341, 31089, 56459, 73023, 134719, 169377, 316433, 404157, 949299, 1046663, 3139989, 13606619, 40819857]

約数ペア:

[(1, 40819857), (3, 13606619), (13, 3139989), (39, 1046663), (43, 949299), (101, 404157), (129, 316433), (241, 169377), (303, 134719), (559, 73023), (723, 56459), (1313, 31089), (1677, 24341), (3133, 13029), (3939, 10363), (4343, 9399)]