3784455

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 7220640

約数和(自身を除く): 3436185

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 97, 135, 153, 255, 289, 291, 459, 485, 765, 867, 873, 1445, 1455, 1649, 2295, 2601, 2619, 4335, 4365, 4947, 7803, 8245, 13005, 13095, 14841, 24735, 28033, 39015, 44523, 74205, 84099, 140165, 222615, 252297, 420495, 756891, 1261485, 3784455]

約数ペア:

[(1, 3784455), (3, 1261485), (5, 756891), (9, 420495), (15, 252297), (17, 222615), (27, 140165), (45, 84099), (51, 74205), (85, 44523), (97, 39015), (135, 28033), (153, 24735), (255, 14841), (289, 13095), (291, 13005), (459, 8245), (485, 7803), (765, 4947), (867, 4365), (873, 4335), (1445, 2619), (1455, 2601), (1649, 2295)]