213173853

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{4457}}^1$

素因数の和:4716

約数の個数: 16

約数和(自身を含む): 288878400

約数和(自身を除く): 75704547

約数列:

[1, 3, 107, 149, 321, 447, 4457, 13371, 15943, 47829, 476899, 664093, 1430697, 1992279, 71057951, 213173853]

約数ペア:

[(1, 213173853), (3, 71057951), (107, 1992279), (149, 1430697), (321, 664093), (447, 476899), (4457, 47829), (13371, 15943)]