2780595

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 5068800

約数和(自身を除く): 2288205

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 479, 645, 1161, 1437, 1935, 2395, 4311, 5805, 7185, 12933, 20597, 21555, 61791, 64665, 102985, 185373, 308955, 556119, 926865, 2780595]

約数ペア:

[(1, 2780595), (3, 926865), (5, 556119), (9, 308955), (15, 185373), (27, 102985), (43, 64665), (45, 61791), (129, 21555), (135, 20597), (215, 12933), (387, 7185), (479, 5805), (645, 4311), (1161, 2395), (1437, 1935)]