138578985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60383}}^1$

素因数の和:60414

約数の個数: 32

約数和(自身を含む): 260858880

約数和(自身を除く): 122279895

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 60383, 181149, 301915, 543447, 905745, 1026511, 1630341, 2717235, 3079533, 5132555, 8151705, 9238599, 15397665, 27715797, 46192995, 138578985]

約数ペア:

[(1, 138578985), (3, 46192995), (5, 27715797), (9, 15397665), (15, 9238599), (17, 8151705), (27, 5132555), (45, 3079533), (51, 2717235), (85, 1630341), (135, 1026511), (153, 905745), (255, 543447), (459, 301915), (765, 181149), (2295, 60383)]