12101815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 16221744

約数和(自身を除く): 4119929

約数列:

[1, 5, 11, 55, 83, 121, 241, 415, 605, 913, 1205, 2651, 4565, 10043, 13255, 20003, 29161, 50215, 100015, 145805, 220033, 1100165, 2420363, 12101815]

約数ペア:

[(1, 12101815), (5, 2420363), (11, 1100165), (55, 220033), (83, 145805), (121, 100015), (241, 50215), (415, 29161), (605, 20003), (913, 13255), (1205, 10043), (2651, 4565)]