920781

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 16

約数和(自身を含む): 1387200

約数和(自身を除く): 466419

約数列:

[1, 3, 9, 27, 67, 201, 509, 603, 1527, 1809, 4581, 13743, 34103, 102309, 306927, 920781]

約数ペア:

[(1, 920781), (3, 306927), (9, 102309), (27, 34103), (67, 13743), (201, 4581), (509, 1809), (603, 1527)]