278323191

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{8179}}^1$

素因数の和:8403

約数の個数: 24

約数和(自身を含む): 425360000

約数和(自身を除く): 147036809

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 3781, 8179, 11343, 24537, 34029, 73611, 155401, 466203, 1398609, 1627621, 4882863, 14648589, 30924799, 92774397, 278323191]

約数ペア:

[(1, 278323191), (3, 92774397), (9, 30924799), (19, 14648589), (57, 4882863), (171, 1627621), (199, 1398609), (597, 466203), (1791, 155401), (3781, 73611), (8179, 34029), (11343, 24537)]