12621681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 19818240

約数和(自身を除く): 7196559

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 2381, 5301, 7143, 21429, 45239, 73811, 135717, 221433, 407151, 664299, 1402409, 4207227, 12621681]

約数ペア:

[(1, 12621681), (3, 4207227), (9, 1402409), (19, 664299), (31, 407151), (57, 221433), (93, 135717), (171, 73811), (279, 45239), (589, 21429), (1767, 7143), (2381, 5301)]