20172105

素因数分解:

$3^3\times 5^1\times {\mathrm{149423}}^1$

素因数の和:149437

約数の個数: 16

約数和(自身を含む): 35861760

約数和(自身を除く): 15689655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149423, 448269, 747115, 1344807, 2241345, 4034421, 6724035, 20172105]

約数ペア:

[(1, 20172105), (3, 6724035), (5, 4034421), (9, 2241345), (15, 1344807), (27, 747115), (45, 448269), (135, 149423)]