15752121

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 28600320

約数和(自身を除く): 12848199

約数列:

[1, 3, 7, 11, 19, 21, 33, 37, 57, 77, 97, 111, 133, 209, 231, 259, 291, 399, 407, 627, 679, 703, 777, 1067, 1221, 1463, 1843, 2037, 2109, 2849, 3201, 3589, 4389, 4921, 5529, 7469, 7733, 8547, 10767, 12901, 14763, 20273, 22407, 23199, 25123, 38703, 39479, 54131, 60819, 68191, 75369, 118437, 141911, 162393, 204573, 276353, 425733, 477337, 750101, 829059, 1432011, 2250303, 5250707, 15752121]

約数ペア:

[(1, 15752121), (3, 5250707), (7, 2250303), (11, 1432011), (19, 829059), (21, 750101), (33, 477337), (37, 425733), (57, 276353), (77, 204573), (97, 162393), (111, 141911), (133, 118437), (209, 75369), (231, 68191), (259, 60819), (291, 54131), (399, 39479), (407, 38703), (627, 25123), (679, 23199), (703, 22407), (777, 20273), (1067, 14763), (1221, 12901), (1463, 10767), (1843, 8547), (2037, 7733), (2109, 7469), (2849, 5529), (3201, 4921), (3589, 4389)]