277856211

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{12941}}^1$

素因数の和:13382

約数の個数: 16

約数和(自身を含む): 393229728

約数和(自身を除く): 115373517

約数列:

[1, 3, 17, 51, 421, 1263, 7157, 12941, 21471, 38823, 219997, 659991, 5448161, 16344483, 92618737, 277856211]

約数ペア:

[(1, 277856211), (3, 92618737), (17, 16344483), (51, 5448161), (421, 659991), (1263, 219997), (7157, 38823), (12941, 21471)]