31922781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 48964608

約数和(自身を除く): 17041827

約数列:

[1, 3, 11, 23, 33, 69, 137, 253, 307, 411, 759, 921, 1507, 3151, 3377, 4521, 7061, 9453, 10131, 21183, 34661, 42059, 77671, 103983, 126177, 233013, 462649, 967357, 1387947, 2902071, 10640927, 31922781]

約数ペア:

[(1, 31922781), (3, 10640927), (11, 2902071), (23, 1387947), (33, 967357), (69, 462649), (137, 233013), (253, 126177), (307, 103983), (411, 77671), (759, 42059), (921, 34661), (1507, 21183), (3151, 10131), (3377, 9453), (4521, 7061)]