172428255

素因数分解:

$3^2\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{2003}}^1$

素因数の和:3927

約数の個数: 24

約数和(自身を含む): 299181168

約数和(自身を除く): 126752913

約数列:

[1, 3, 5, 9, 15, 45, 1913, 2003, 5739, 6009, 9565, 10015, 17217, 18027, 28695, 30045, 86085, 90135, 3831739, 11495217, 19158695, 34485651, 57476085, 172428255]

約数ペア:

[(1, 172428255), (3, 57476085), (5, 34485651), (9, 19158695), (15, 11495217), (45, 3831739), (1913, 90135), (2003, 86085), (5739, 30045), (6009, 28695), (9565, 18027), (10015, 17217)]