28712235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 49135680

約数和(自身を除く): 20423445

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 1033, 1635, 1853, 3099, 5165, 5559, 9265, 15495, 17561, 27795, 52683, 87805, 112597, 263415, 337791, 562985, 1688955, 1914149, 5742447, 9570745, 28712235]

約数ペア:

[(1, 28712235), (3, 9570745), (5, 5742447), (15, 1914149), (17, 1688955), (51, 562985), (85, 337791), (109, 263415), (255, 112597), (327, 87805), (545, 52683), (1033, 27795), (1635, 17561), (1853, 15495), (3099, 9265), (5165, 5559)]