17220775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4817}}^1$

素因数の和:4851

約数の個数: 24

約数和(自身を含む): 25092144

約数和(自身を除く): 7871369

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 4817, 24085, 52987, 62621, 120425, 264935, 313105, 688831, 1324675, 1565525, 3444155, 17220775]

約数ペア:

[(1, 17220775), (5, 3444155), (11, 1565525), (13, 1324675), (25, 688831), (55, 313105), (65, 264935), (143, 120425), (275, 62621), (325, 52987), (715, 24085), (3575, 4817)]