28588989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 45287424

約数和(自身を除く): 16698435

約数列:

[1, 3, 11, 13, 33, 39, 103, 143, 309, 429, 647, 1133, 1339, 1941, 3399, 4017, 7117, 8411, 14729, 21351, 25233, 44187, 66641, 92521, 199923, 277563, 733051, 866333, 2199153, 2598999, 9529663, 28588989]

約数ペア:

[(1, 28588989), (3, 9529663), (11, 2598999), (13, 2199153), (33, 866333), (39, 733051), (103, 277563), (143, 199923), (309, 92521), (429, 66641), (647, 44187), (1133, 25233), (1339, 21351), (1941, 14729), (3399, 8411), (4017, 7117)]