31152891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7933}}^1$

素因数の和:7971

約数の個数: 32

約数和(自身を含む): 54839808

約数和(自身を除く): 23686917

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 7933, 23799, 55531, 87263, 134861, 166593, 261789, 404583, 610841, 944027, 1483471, 1832523, 2832081, 4450413, 10384297, 31152891]

約数ペア:

[(1, 31152891), (3, 10384297), (7, 4450413), (11, 2832081), (17, 1832523), (21, 1483471), (33, 944027), (51, 610841), (77, 404583), (119, 261789), (187, 166593), (231, 134861), (357, 87263), (561, 55531), (1309, 23799), (3927, 7933)]