12312945

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 22041600

約数和(自身を除く): 9728655

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 409, 669, 1115, 1227, 2007, 2045, 3345, 3681, 6021, 6135, 10035, 11043, 18405, 30105, 55215, 91207, 273621, 456035, 820863, 1368105, 2462589, 4104315, 12312945]

約数ペア:

[(1, 12312945), (3, 4104315), (5, 2462589), (9, 1368105), (15, 820863), (27, 456035), (45, 273621), (135, 91207), (223, 55215), (409, 30105), (669, 18405), (1115, 11043), (1227, 10035), (2007, 6135), (2045, 6021), (3345, 3681)]