1285207989

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{787}}^1\times {\mathrm{3221}}^1$

素因数の和:4037

約数の個数: 24

約数和(自身を含む): 1858501152

約数和(自身を除く): 573293163

約数列:

[1, 3, 13, 39, 169, 507, 787, 2361, 3221, 9663, 10231, 30693, 41873, 125619, 133003, 399009, 544349, 1633047, 2534927, 7604781, 32954051, 98862153, 428402663, 1285207989]

約数ペア:

[(1, 1285207989), (3, 428402663), (13, 98862153), (39, 32954051), (169, 7604781), (507, 2534927), (787, 1633047), (2361, 544349), (3221, 399009), (9663, 133003), (10231, 125619), (30693, 41873)]