90751815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2381}}^1$

素因数の和:2421

約数の個数: 72

約数和(自身を含む): 197686944

約数和(自身を除く): 106935129

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 363, 385, 495, 605, 693, 847, 1089, 1155, 1815, 2381, 2541, 3465, 4235, 5445, 7143, 7623, 11905, 12705, 16667, 21429, 26191, 35715, 38115, 50001, 78573, 83335, 107145, 130955, 150003, 183337, 235719, 250005, 288101, 392865, 550011, 750015, 864303, 916685, 1178595, 1440505, 1650033, 2016707, 2592909, 2750055, 4321515, 6050121, 8250165, 10083535, 12964545, 18150363, 30250605, 90751815]

約数ペア:

[(1, 90751815), (3, 30250605), (5, 18150363), (7, 12964545), (9, 10083535), (11, 8250165), (15, 6050121), (21, 4321515), (33, 2750055), (35, 2592909), (45, 2016707), (55, 1650033), (63, 1440505), (77, 1178595), (99, 916685), (105, 864303), (121, 750015), (165, 550011), (231, 392865), (315, 288101), (363, 250005), (385, 235719), (495, 183337), (605, 150003), (693, 130955), (847, 107145), (1089, 83335), (1155, 78573), (1815, 50001), (2381, 38115), (2541, 35715), (3465, 26191), (4235, 21429), (5445, 16667), (7143, 12705), (7623, 11905)]