388778913

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{1307}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 602726400

約数和(自身を除く): 213947487

約数列:

[1, 3, 9, 23, 27, 69, 207, 479, 621, 1307, 1437, 3921, 4311, 11017, 11763, 12933, 30061, 33051, 35289, 90183, 99153, 270549, 297459, 626053, 811647, 1878159, 5634477, 14399219, 16903431, 43197657, 129592971, 388778913]

約数ペア:

[(1, 388778913), (3, 129592971), (9, 43197657), (23, 16903431), (27, 14399219), (69, 5634477), (207, 1878159), (479, 811647), (621, 626053), (1307, 297459), (1437, 270549), (3921, 99153), (4311, 90183), (11017, 35289), (11763, 33051), (12933, 30061)]