277867233

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20707}}^1$

素因数の和:20794

約数の個数: 32

約数和(自身を含む): 477112320

約数和(自身を除く): 199245087

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 20707, 62121, 144949, 186363, 434847, 559089, 1304541, 1470197, 3913623, 4410591, 10291379, 13231773, 30874137, 39695319, 92622411, 277867233]

約数ペア:

[(1, 277867233), (3, 92622411), (7, 39695319), (9, 30874137), (21, 13231773), (27, 10291379), (63, 4410591), (71, 3913623), (189, 1470197), (213, 1304541), (497, 559089), (639, 434847), (1491, 186363), (1917, 144949), (4473, 62121), (13419, 20707)]