81159507

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 145017600

約数和(自身を除く): 63858093

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 1287, 1881, 2223, 2717, 3319, 8151, 9957, 24453, 29871, 36509, 43147, 63061, 109527, 129441, 189183, 328581, 388323, 474617, 567549, 693671, 819793, 1423851, 2081013, 2459379, 4271553, 6243039, 7378137, 9017723, 27053169, 81159507]

約数ペア:

[(1, 81159507), (3, 27053169), (9, 9017723), (11, 7378137), (13, 6243039), (19, 4271553), (33, 2459379), (39, 2081013), (57, 1423851), (99, 819793), (117, 693671), (143, 567549), (171, 474617), (209, 388323), (247, 328581), (429, 189183), (627, 129441), (741, 109527), (1287, 63061), (1881, 43147), (2223, 36509), (2717, 29871), (3319, 24453), (8151, 9957)]