1980912945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{38603}}^1$

素因数の和:38933

約数の個数: 32

約数和(自身を含む): 3468801024

約数和(自身を除く): 1487888079

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 311, 933, 1555, 3421, 4665, 10263, 17105, 38603, 51315, 115809, 193015, 424633, 579045, 1273899, 2123165, 6369495, 12005533, 36016599, 60027665, 132060863, 180082995, 396182589, 660304315, 1980912945]

約数ペア:

[(1, 1980912945), (3, 660304315), (5, 396182589), (11, 180082995), (15, 132060863), (33, 60027665), (55, 36016599), (165, 12005533), (311, 6369495), (933, 2123165), (1555, 1273899), (3421, 579045), (4665, 424633), (10263, 193015), (17105, 115809), (38603, 51315)]