1666453581

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1582577}}^1$

素因数の和:1582602

約数の個数: 20

約数和(自身を含む): 2680887132

約数和(自身を除く): 1014433551

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1582577, 4747731, 14243193, 20573501, 42729579, 61720503, 128188737, 185161509, 555484527, 1666453581]

約数ペア:

[(1, 1666453581), (3, 555484527), (9, 185161509), (13, 128188737), (27, 61720503), (39, 42729579), (81, 20573501), (117, 14243193), (351, 4747731), (1053, 1582577)]