149719509

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{7933}}^1$

素因数の和:8178

約数の個数: 20

約数和(自身を含む): 224643276

約数和(自身を除く): 74923767

約数列:

[1, 3, 9, 27, 81, 233, 699, 2097, 6291, 7933, 18873, 23799, 71397, 214191, 642573, 1848389, 5545167, 16635501, 49906503, 149719509]

約数ペア:

[(1, 149719509), (3, 49906503), (9, 16635501), (27, 5545167), (81, 1848389), (233, 642573), (699, 214191), (2097, 71397), (6291, 23799), (7933, 18873)]