127940813

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 190179360

約数和(自身を除く): 62238547

約数列:

[1, 7, 11, 13, 19, 31, 49, 77, 91, 133, 143, 209, 217, 247, 341, 403, 539, 589, 637, 931, 961, 1001, 1463, 1519, 1729, 2387, 2717, 2821, 4123, 4433, 6479, 6727, 7007, 7657, 10241, 10571, 12103, 12493, 16709, 18259, 19019, 19747, 28861, 31031, 45353, 47089, 53599, 73997, 84227, 87451, 127813, 133133, 137423, 200849, 217217, 237367, 317471, 375193, 517979, 589589, 612157, 894691, 961961, 1405943, 1661569, 2611037, 4127123, 6733727, 9841601, 11630983, 18277259, 127940813]

約数ペア:

[(1, 127940813), (7, 18277259), (11, 11630983), (13, 9841601), (19, 6733727), (31, 4127123), (49, 2611037), (77, 1661569), (91, 1405943), (133, 961961), (143, 894691), (209, 612157), (217, 589589), (247, 517979), (341, 375193), (403, 317471), (539, 237367), (589, 217217), (637, 200849), (931, 137423), (961, 133133), (1001, 127813), (1463, 87451), (1519, 84227), (1729, 73997), (2387, 53599), (2717, 47089), (2821, 45353), (4123, 31031), (4433, 28861), (6479, 19747), (6727, 19019), (7007, 18259), (7657, 16709), (10241, 12493), (10571, 12103)]