239679

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{269}}^1$

素因数の和:292

約数の個数: 20

約数和(自身を含む): 392040

約数和(自身を除く): 152361

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 269, 297, 807, 891, 2421, 2959, 7263, 8877, 21789, 26631, 79893, 239679]

約数ペア:

[(1, 239679), (3, 79893), (9, 26631), (11, 21789), (27, 8877), (33, 7263), (81, 2959), (99, 2421), (269, 891), (297, 807)]