201215259

素因数分解:

$3^4\times 7^1\times {\mathrm{354877}}^1$

素因数の和:354896

約数の個数: 20

約数和(自身を含む): 343521904

約数和(自身を除く): 142306645

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 354877, 1064631, 2484139, 3193893, 7452417, 9581679, 22357251, 28745037, 67071753, 201215259]

約数ペア:

[(1, 201215259), (3, 67071753), (7, 28745037), (9, 22357251), (21, 9581679), (27, 7452417), (63, 3193893), (81, 2484139), (189, 1064631), (567, 354877)]