28206711

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{8929}}^1$

素因数の和:8957

約数の個数: 24

約数和(自身を含む): 45507280

約数和(自身を除く): 17300569

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 8929, 26787, 80361, 116077, 241083, 348231, 723249, 1044693, 2169747, 3134079, 9402237, 28206711]

約数ペア:

[(1, 28206711), (3, 9402237), (9, 3134079), (13, 2169747), (27, 1044693), (39, 723249), (81, 348231), (117, 241083), (243, 116077), (351, 80361), (1053, 26787), (3159, 8929)]