159487785

素因数分解:

$3^4\times 5^1\times {\mathrm{393797}}^1$

素因数の和:393814

約数の個数: 20

約数和(自身を含む): 285897348

約数和(自身を除く): 126409563

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 393797, 1181391, 1968985, 3544173, 5906955, 10632519, 17720865, 31897557, 53162595, 159487785]

約数ペア:

[(1, 159487785), (3, 53162595), (5, 31897557), (9, 17720865), (15, 10632519), (27, 5906955), (45, 3544173), (81, 1968985), (135, 1181391), (405, 393797)]