299295

素因数分解:

$3^4\times 5^1\times {\mathrm{739}}^1$

素因数の和:756

約数の個数: 20

約数和(自身を含む): 537240

約数和(自身を除く): 237945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 739, 2217, 3695, 6651, 11085, 19953, 33255, 59859, 99765, 299295]

約数ペア:

[(1, 299295), (3, 99765), (5, 59859), (9, 33255), (15, 19953), (27, 11085), (45, 6651), (81, 3695), (135, 2217), (405, 739)]