27640221

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{35573}}^1$

素因数の和:35620

約数の個数: 16

約数和(自身を含む): 43257984

約数和(自身を除く): 15617763

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 35573, 106719, 249011, 747033, 1316201, 3948603, 9213407, 27640221]

約数ペア:

[(1, 27640221), (3, 9213407), (7, 3948603), (21, 1316201), (37, 747033), (111, 249011), (259, 106719), (777, 35573)]