38947905

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2801}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 69937920

約数和(自身を除く): 30990015

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 2801, 4635, 8403, 13905, 14005, 25209, 42015, 75627, 126045, 288503, 378135, 865509, 1442515, 2596527, 4327545, 7789581, 12982635, 38947905]

約数ペア:

[(1, 38947905), (3, 12982635), (5, 7789581), (9, 4327545), (15, 2596527), (27, 1442515), (45, 865509), (103, 378135), (135, 288503), (309, 126045), (515, 75627), (927, 42015), (1545, 25209), (2781, 14005), (2801, 13905), (4635, 8403)]