90821907

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 148262400

約数和(自身を除く): 57440493

約数列:

[1, 3, 9, 11, 33, 47, 99, 131, 141, 149, 393, 423, 447, 517, 1179, 1341, 1441, 1551, 1639, 4323, 4653, 4917, 6157, 7003, 12969, 14751, 18471, 19519, 21009, 55413, 58557, 63027, 67727, 77033, 175671, 203181, 214709, 231099, 609543, 644127, 693297, 917393, 1932381, 2752179, 8256537, 10091323, 30273969, 90821907]

約数ペア:

[(1, 90821907), (3, 30273969), (9, 10091323), (11, 8256537), (33, 2752179), (47, 1932381), (99, 917393), (131, 693297), (141, 644127), (149, 609543), (393, 231099), (423, 214709), (447, 203181), (517, 175671), (1179, 77033), (1341, 67727), (1441, 63027), (1551, 58557), (1639, 55413), (4323, 21009), (4653, 19519), (4917, 18471), (6157, 14751), (7003, 12969)]