1984743

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:348

約数の個数: 20

約数和(自身を含む): 3005640

約数和(自身を除く): 1020897

約数列:

[1, 3, 9, 27, 81, 107, 229, 321, 687, 963, 2061, 2889, 6183, 8667, 18549, 24503, 73509, 220527, 661581, 1984743]

約数ペア:

[(1, 1984743), (3, 661581), (9, 220527), (27, 73509), (81, 24503), (107, 18549), (229, 8667), (321, 6183), (687, 2889), (963, 2061)]