25428213

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4019}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 39717600

約数和(自身を除く): 14289387

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 4019, 6327, 12057, 36171, 76361, 148703, 229083, 446109, 687249, 1338327, 2825357, 8476071, 25428213]

約数ペア:

[(1, 25428213), (3, 8476071), (9, 2825357), (19, 1338327), (37, 687249), (57, 446109), (111, 229083), (171, 148703), (333, 76361), (703, 36171), (2109, 12057), (4019, 6327)]