207957105

素因数分解:

$3^3\times 5^1\times {\mathrm{1540423}}^1$

素因数の和:1540437

約数の個数: 16

約数和(自身を含む): 369701760

約数和(自身を除く): 161744655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1540423, 4621269, 7702115, 13863807, 23106345, 41591421, 69319035, 207957105]

約数ペア:

[(1, 207957105), (3, 69319035), (5, 41591421), (9, 23106345), (15, 13863807), (27, 7702115), (45, 4621269), (135, 1540423)]