12703005

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{823}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 25708800

約数和(自身を除く): 13005795

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 823, 1029, 1715, 2205, 2469, 3087, 4115, 5145, 5761, 7407, 12345, 15435, 17283, 28805, 37035, 40327, 51849, 86415, 120981, 201635, 259245, 282289, 362943, 604905, 846867, 1411445, 1814715, 2540601, 4234335, 12703005]

約数ペア:

[(1, 12703005), (3, 4234335), (5, 2540601), (7, 1814715), (9, 1411445), (15, 846867), (21, 604905), (35, 362943), (45, 282289), (49, 259245), (63, 201635), (105, 120981), (147, 86415), (245, 51849), (315, 40327), (343, 37035), (441, 28805), (735, 17283), (823, 15435), (1029, 12345), (1715, 7407), (2205, 5761), (2469, 5145), (3087, 4115)]