1918617

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 16

約数和(自身を含む): 2661120

約数和(自身を除く): 742503

約数列:

[1, 3, 43, 107, 129, 139, 321, 417, 4601, 5977, 13803, 14873, 17931, 44619, 639539, 1918617]

約数ペア:

[(1, 1918617), (3, 639539), (43, 44619), (107, 17931), (129, 14873), (139, 13803), (321, 5977), (417, 4601)]