27771205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 42363648

約数和(自身を除く): 14592443

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1361, 1855, 2915, 4081, 6805, 9527, 14971, 20405, 47635, 72133, 74855, 104797, 360665, 504931, 523985, 793463, 2524655, 3967315, 5554241, 27771205]

約数ペア:

[(1, 27771205), (5, 5554241), (7, 3967315), (11, 2524655), (35, 793463), (53, 523985), (55, 504931), (77, 360665), (265, 104797), (371, 74855), (385, 72133), (583, 47635), (1361, 20405), (1855, 14971), (2915, 9527), (4081, 6805)]