16728345

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1667}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 29143296

約数和(自身を除く): 12414951

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 1667, 2007, 3345, 5001, 8335, 10035, 15003, 25005, 75015, 371741, 1115223, 1858705, 3345669, 5576115, 16728345]

約数ペア:

[(1, 16728345), (3, 5576115), (5, 3345669), (9, 1858705), (15, 1115223), (45, 371741), (223, 75015), (669, 25005), (1115, 15003), (1667, 10035), (2007, 8335), (3345, 5001)]