12987279

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1433}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 20133360

約数和(自身を除く): 7146081

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 1433, 3021, 4299, 9063, 12897, 27227, 75949, 81681, 227847, 245043, 683541, 1443031, 4329093, 12987279]

約数ペア:

[(1, 12987279), (3, 4329093), (9, 1443031), (19, 683541), (53, 245043), (57, 227847), (159, 81681), (171, 75949), (477, 27227), (1007, 12897), (1433, 9063), (3021, 4299)]