7868679

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 14300160

約数和(自身を除く): 6431481

約数列:

[1, 3, 7, 13, 19, 21, 37, 39, 41, 57, 91, 111, 123, 133, 247, 259, 273, 287, 399, 481, 533, 703, 741, 777, 779, 861, 1443, 1517, 1599, 1729, 2109, 2337, 3367, 3731, 4551, 4921, 5187, 5453, 9139, 10101, 10127, 10619, 11193, 14763, 16359, 19721, 27417, 28823, 30381, 31857, 59163, 63973, 70889, 86469, 138047, 191919, 201761, 212667, 374699, 414141, 605283, 1124097, 2622893, 7868679]

約数ペア:

[(1, 7868679), (3, 2622893), (7, 1124097), (13, 605283), (19, 414141), (21, 374699), (37, 212667), (39, 201761), (41, 191919), (57, 138047), (91, 86469), (111, 70889), (123, 63973), (133, 59163), (247, 31857), (259, 30381), (273, 28823), (287, 27417), (399, 19721), (481, 16359), (533, 14763), (703, 11193), (741, 10619), (777, 10127), (779, 10101), (861, 9139), (1443, 5453), (1517, 5187), (1599, 4921), (1729, 4551), (2109, 3731), (2337, 3367)]