199909623

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{3391}}^1$

素因数の和:3894

約数の個数: 16

約数和(自身を含む): 273422336

約数和(自身を除く): 73512713

約数列:

[1, 3, 43, 129, 457, 1371, 3391, 10173, 19651, 58953, 145813, 437439, 1549687, 4649061, 66636541, 199909623]

約数ペア:

[(1, 199909623), (3, 66636541), (43, 4649061), (129, 1549687), (457, 437439), (1371, 145813), (3391, 58953), (10173, 19651)]