278883

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:336

約数の個数: 20

約数和(自身を含む): 455928

約数和(自身を除く): 177045

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 313, 891, 939, 2817, 3443, 8451, 10329, 25353, 30987, 92961, 278883]

約数ペア:

[(1, 278883), (3, 92961), (9, 30987), (11, 25353), (27, 10329), (33, 8451), (81, 3443), (99, 2817), (297, 939), (313, 891)]