520063173

素因数分解:

$3^4\times 7^1\times {\mathrm{917219}}^1$

素因数の和:917238

約数の個数: 20

約数和(自身を含む): 887868960

約数和(自身を除く): 367805787

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 917219, 2751657, 6420533, 8254971, 19261599, 24764913, 57784797, 74294739, 173354391, 520063173]

約数ペア:

[(1, 520063173), (3, 173354391), (7, 74294739), (9, 57784797), (21, 24764913), (27, 19261599), (63, 8254971), (81, 6420533), (189, 2751657), (567, 917219)]