1969515

素因数分解:

$3^5\times 5^1\times {\mathrm{1621}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 3542448

約数和(自身を除く): 1572933

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1621, 4863, 8105, 14589, 24315, 43767, 72945, 131301, 218835, 393903, 656505, 1969515]

約数ペア:

[(1, 1969515), (3, 656505), (5, 393903), (9, 218835), (15, 131301), (27, 72945), (45, 43767), (81, 24315), (135, 14589), (243, 8105), (405, 4863), (1215, 1621)]