12974955

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 24514560

約数和(自身を除く): 11539605

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 139, 147, 245, 381, 417, 635, 695, 735, 889, 973, 1905, 2085, 2667, 2919, 4445, 4865, 6223, 6811, 13335, 14595, 17653, 18669, 20433, 31115, 34055, 52959, 88265, 93345, 102165, 123571, 264795, 370713, 617855, 864997, 1853565, 2594991, 4324985, 12974955]

約数ペア:

[(1, 12974955), (3, 4324985), (5, 2594991), (7, 1853565), (15, 864997), (21, 617855), (35, 370713), (49, 264795), (105, 123571), (127, 102165), (139, 93345), (147, 88265), (245, 52959), (381, 34055), (417, 31115), (635, 20433), (695, 18669), (735, 17653), (889, 14595), (973, 13335), (1905, 6811), (2085, 6223), (2667, 4865), (2919, 4445)]