991653

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 1456896

約数和(自身を除く): 465243

約数列:

[1, 3, 13, 39, 47, 141, 541, 611, 1623, 1833, 7033, 21099, 25427, 76281, 330551, 991653]

約数ペア:

[(1, 991653), (3, 330551), (13, 76281), (39, 25427), (47, 21099), (141, 7033), (541, 1833), (611, 1623)]