221570571

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2137}}^1$

素因数の和:2283

約数の個数: 32

約数和(自身を含む): 332501760

約数和(自身を除く): 110931189

約数列:

[1, 3, 17, 19, 51, 57, 107, 321, 323, 969, 1819, 2033, 2137, 5457, 6099, 6411, 34561, 36329, 40603, 103683, 108987, 121809, 228659, 685977, 690251, 2070753, 3887203, 4344521, 11661609, 13033563, 73856857, 221570571]

約数ペア:

[(1, 221570571), (3, 73856857), (17, 13033563), (19, 11661609), (51, 4344521), (57, 3887203), (107, 2070753), (321, 690251), (323, 685977), (969, 228659), (1819, 121809), (2033, 108987), (2137, 103683), (5457, 40603), (6099, 36329), (6411, 34561)]