487994787

素因数分解:

$3^6\times 7^1\times {\mathrm{95629}}^1$

素因数の和:95654

約数の個数: 28

約数和(自身を含む): 836188720

約数和(自身を除く): 348193933

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 95629, 286887, 669403, 860661, 2008209, 2581983, 6024627, 7745949, 18073881, 23237847, 54221643, 69713541, 162664929, 487994787]

約数ペア:

[(1, 487994787), (3, 162664929), (7, 69713541), (9, 54221643), (21, 23237847), (27, 18073881), (63, 7745949), (81, 6024627), (189, 2581983), (243, 2008209), (567, 860661), (729, 669403), (1701, 286887), (5103, 95629)]