249686145

素因数分解:

$3^6\times 5^1\times {\mathrm{68501}}^1$

素因数の和:68524

約数の個数: 28

約数和(自身を含む): 449236116

約数和(自身を除く): 199549971

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 68501, 205503, 342505, 616509, 1027515, 1849527, 3082545, 5548581, 9247635, 16645743, 27742905, 49937229, 83228715, 249686145]

約数ペア:

[(1, 249686145), (3, 83228715), (5, 49937229), (9, 27742905), (15, 16645743), (27, 9247635), (45, 5548581), (81, 3082545), (135, 1849527), (243, 1027515), (405, 616509), (729, 342505), (1215, 205503), (3645, 68501)]