287446077

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{5519}}^1$

素因数の和:6174

約数の個数: 20

約数和(自身を含む): 430140480

約数和(自身を除く): 142694403

約数列:

[1, 3, 9, 27, 81, 643, 1929, 5519, 5787, 16557, 17361, 49671, 52083, 149013, 447039, 3548717, 10646151, 31938453, 95815359, 287446077]

約数ペア:

[(1, 287446077), (3, 95815359), (9, 31938453), (27, 10646151), (81, 3548717), (643, 447039), (1929, 149013), (5519, 52083), (5787, 49671), (16557, 17361)]