22180257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 17632863

約数列:

[1, 3, 9, 11, 17, 23, 27, 33, 51, 69, 99, 153, 187, 191, 207, 253, 297, 391, 459, 561, 573, 621, 759, 1173, 1683, 1719, 2101, 2277, 3247, 3519, 4301, 4393, 5049, 5157, 6303, 6831, 9741, 10557, 12903, 13179, 18909, 29223, 35717, 38709, 39537, 48323, 56727, 74681, 87669, 107151, 116127, 118611, 144969, 224043, 321453, 434907, 672129, 821491, 964359, 1304721, 2016387, 2464473, 7393419, 22180257]

約数ペア:

[(1, 22180257), (3, 7393419), (9, 2464473), (11, 2016387), (17, 1304721), (23, 964359), (27, 821491), (33, 672129), (51, 434907), (69, 321453), (99, 224043), (153, 144969), (187, 118611), (191, 116127), (207, 107151), (253, 87669), (297, 74681), (391, 56727), (459, 48323), (561, 39537), (573, 38709), (621, 35717), (759, 29223), (1173, 18909), (1683, 13179), (1719, 12903), (2101, 10557), (2277, 9741), (3247, 6831), (3519, 6303), (4301, 5157), (4393, 5049)]