256003455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{3079}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 429327360

約数和(自身を除く): 173323905

約数列:

[1, 3, 5, 15, 23, 69, 115, 241, 345, 723, 1205, 3079, 3615, 5543, 9237, 15395, 16629, 27715, 46185, 70817, 83145, 212451, 354085, 742039, 1062255, 2226117, 3710195, 11130585, 17066897, 51200691, 85334485, 256003455]

約数ペア:

[(1, 256003455), (3, 85334485), (5, 51200691), (15, 17066897), (23, 11130585), (69, 3710195), (115, 2226117), (241, 1062255), (345, 742039), (723, 354085), (1205, 212451), (3079, 83145), (3615, 70817), (5543, 46185), (9237, 27715), (15395, 16629)]