2878695

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 5458752

約数和(自身を除く): 2580057

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 71, 85, 153, 159, 213, 255, 265, 355, 477, 639, 765, 795, 901, 1065, 1207, 2385, 2703, 3195, 3621, 3763, 4505, 6035, 8109, 10863, 11289, 13515, 18105, 18815, 33867, 40545, 54315, 56445, 63971, 169335, 191913, 319855, 575739, 959565, 2878695]

約数ペア:

[(1, 2878695), (3, 959565), (5, 575739), (9, 319855), (15, 191913), (17, 169335), (45, 63971), (51, 56445), (53, 54315), (71, 40545), (85, 33867), (153, 18815), (159, 18105), (213, 13515), (255, 11289), (265, 10863), (355, 8109), (477, 6035), (639, 4505), (765, 3763), (795, 3621), (901, 3195), (1065, 2703), (1207, 2385)]