86977395

素因数分解:

$3^4\times 5^1\times {\mathrm{214759}}^1$

素因数の和:214776

約数の個数: 20

約数和(自身を含む): 155915760

約数和(自身を除く): 68938365

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 214759, 644277, 1073795, 1932831, 3221385, 5798493, 9664155, 17395479, 28992465, 86977395]

約数ペア:

[(1, 86977395), (3, 28992465), (5, 17395479), (9, 9664155), (15, 5798493), (27, 3221385), (45, 1932831), (81, 1073795), (135, 644277), (405, 214759)]