7581717

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 13261248

約数和(自身を除く): 5679531

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 137, 143, 387, 411, 429, 473, 559, 1233, 1287, 1419, 1507, 1677, 1781, 4257, 4521, 5031, 5343, 5891, 6149, 13563, 16029, 17673, 18447, 19591, 53019, 55341, 58773, 64801, 76583, 176319, 194403, 229749, 583209, 689247, 842413, 2527239, 7581717]

約数ペア:

[(1, 7581717), (3, 2527239), (9, 842413), (11, 689247), (13, 583209), (33, 229749), (39, 194403), (43, 176319), (99, 76583), (117, 64801), (129, 58773), (137, 55341), (143, 53019), (387, 19591), (411, 18447), (429, 17673), (473, 16029), (559, 13563), (1233, 6149), (1287, 5891), (1419, 5343), (1507, 5031), (1677, 4521), (1781, 4257)]