391635

素因数分解:

$3^4\times 5^1\times {\mathrm{967}}^1$

素因数の和:984

約数の個数: 20

約数和(自身を含む): 702768

約数和(自身を除く): 311133

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 967, 2901, 4835, 8703, 14505, 26109, 43515, 78327, 130545, 391635]

約数ペア:

[(1, 391635), (3, 130545), (5, 78327), (9, 43515), (15, 26109), (27, 14505), (45, 8703), (81, 4835), (135, 2901), (405, 967)]