489705411

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1031}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 742049280

約数和(自身を除く): 252343869

約数列:

[1, 3, 13, 19, 39, 57, 247, 641, 741, 1031, 1923, 3093, 8333, 12179, 13403, 19589, 24999, 36537, 40209, 58767, 158327, 254657, 474981, 660871, 763971, 1982613, 8591323, 12556549, 25773969, 37669647, 163235137, 489705411]

約数ペア:

[(1, 489705411), (3, 163235137), (13, 37669647), (19, 25773969), (39, 12556549), (57, 8591323), (247, 1982613), (641, 763971), (741, 660871), (1031, 474981), (1923, 254657), (3093, 158327), (8333, 58767), (12179, 40209), (13403, 36537), (19589, 24999)]