26915571

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{17489}}^1$

素因数の和:17520

約数の個数: 20

約数和(自身を含む): 42325800

約数和(自身を除く): 15410229

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 17489, 52467, 157401, 332291, 472203, 996873, 1416609, 2990619, 8971857, 26915571]

約数ペア:

[(1, 26915571), (3, 8971857), (9, 2990619), (19, 1416609), (27, 996873), (57, 472203), (81, 332291), (171, 157401), (513, 52467), (1539, 17489)]