64471905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 120092544

約数和(自身を除く): 55620639

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1187, 1207, 3195, 3561, 3621, 5935, 6035, 10683, 10863, 17805, 18105, 20179, 53415, 54315, 60537, 84277, 100895, 181611, 252831, 302685, 421385, 758493, 908055, 1264155, 1432709, 3792465, 4298127, 7163545, 12894381, 21490635, 64471905]

約数ペア:

[(1, 64471905), (3, 21490635), (5, 12894381), (9, 7163545), (15, 4298127), (17, 3792465), (45, 1432709), (51, 1264155), (71, 908055), (85, 758493), (153, 421385), (213, 302685), (255, 252831), (355, 181611), (639, 100895), (765, 84277), (1065, 60537), (1187, 54315), (1207, 53415), (3195, 20179), (3561, 18105), (3621, 17805), (5935, 10863), (6035, 10683)]