31538961

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1483}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 48615840

約数和(自身を除く): 17076879

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 1251, 1483, 2363, 4449, 7089, 13347, 21267, 25211, 75633, 206137, 226899, 618411, 1855233, 3504329, 10512987, 31538961]

約数ペア:

[(1, 31538961), (3, 10512987), (9, 3504329), (17, 1855233), (51, 618411), (139, 226899), (153, 206137), (417, 75633), (1251, 25211), (1483, 21267), (2363, 13347), (4449, 7089)]