31376787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 46545408

約数和(自身を除く): 15168621

約数列:

[1, 3, 13, 39, 73, 103, 107, 219, 309, 321, 949, 1339, 1391, 2847, 4017, 4173, 7519, 7811, 11021, 22557, 23433, 33063, 97747, 101543, 143273, 293241, 304629, 429819, 804533, 2413599, 10458929, 31376787]

約数ペア:

[(1, 31376787), (3, 10458929), (13, 2413599), (39, 804533), (73, 429819), (103, 304629), (107, 293241), (219, 143273), (309, 101543), (321, 97747), (949, 33063), (1339, 23433), (1391, 22557), (2847, 11021), (4017, 7811), (4173, 7519)]