278323989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4517}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 416378880

約数和(自身を除く): 138054891

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 437, 893, 1081, 1311, 2679, 3243, 4517, 13551, 20539, 61617, 85823, 103891, 212299, 257469, 311673, 636897, 1973929, 4033681, 4882877, 5921787, 12101043, 14648631, 92774663, 278323989]

約数ペア:

[(1, 278323989), (3, 92774663), (19, 14648631), (23, 12101043), (47, 5921787), (57, 4882877), (69, 4033681), (141, 1973929), (437, 636897), (893, 311673), (1081, 257469), (1311, 212299), (2679, 103891), (3243, 85823), (4517, 61617), (13551, 20539)]