13972905

素因数分解:

$3^4\times 5^1\times {\mathrm{34501}}^1$

素因数の和:34518

約数の個数: 20

約数和(自身を含む): 25048452

約数和(自身を除く): 11075547

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 34501, 103503, 172505, 310509, 517515, 931527, 1552545, 2794581, 4657635, 13972905]

約数ペア:

[(1, 13972905), (3, 4657635), (5, 2794581), (9, 1552545), (15, 931527), (27, 517515), (45, 310509), (81, 172505), (135, 103503), (405, 34501)]