19998802215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{6247}}^1\times {\mathrm{10163}}^1$

素因数の和:16428

約数の個数: 48

約数和(自身を含む): 39626915328

約数和(自身を除く): 19628113113

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 6247, 10163, 18741, 30489, 31235, 43729, 50815, 56223, 71141, 91467, 93705, 131187, 152445, 213423, 218645, 281115, 355705, 393561, 457335, 640269, 655935, 1067115, 1967805, 3201345, 63488261, 190464783, 317441305, 444417827, 571394349, 952323915, 1333253481, 2222089135, 2856971745, 3999760443, 6666267405, 19998802215]

約数ペア:

[(1, 19998802215), (3, 6666267405), (5, 3999760443), (7, 2856971745), (9, 2222089135), (15, 1333253481), (21, 952323915), (35, 571394349), (45, 444417827), (63, 317441305), (105, 190464783), (315, 63488261), (6247, 3201345), (10163, 1967805), (18741, 1067115), (30489, 655935), (31235, 640269), (43729, 457335), (50815, 393561), (56223, 355705), (71141, 281115), (91467, 218645), (93705, 213423), (131187, 152445)]