17968617

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 26822016

約数和(自身を除く): 8853399

約数列:

[1, 3, 9, 47, 107, 141, 321, 397, 423, 963, 1191, 3573, 5029, 15087, 18659, 42479, 45261, 55977, 127437, 167931, 382311, 1996513, 5989539, 17968617]

約数ペア:

[(1, 17968617), (3, 5989539), (9, 1996513), (47, 382311), (107, 167931), (141, 127437), (321, 55977), (397, 45261), (423, 42479), (963, 18659), (1191, 15087), (3573, 5029)]