16857945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28817}}^1$

素因数の和:28841

約数の個数: 24

約数和(自身を含む): 31469256

約数和(自身を除く): 14611311

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 28817, 86451, 144085, 259353, 374621, 432255, 1123863, 1296765, 1873105, 3371589, 5619315, 16857945]

約数ペア:

[(1, 16857945), (3, 5619315), (5, 3371589), (9, 1873105), (13, 1296765), (15, 1123863), (39, 432255), (45, 374621), (65, 259353), (117, 144085), (195, 86451), (585, 28817)]