68686947

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^2\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 60

約数和(自身を含む): 123119920

約数和(自身を除く): 54432973

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 229, 483, 529, 567, 621, 687, 1449, 1587, 1603, 1863, 2061, 3703, 4347, 4761, 4809, 5267, 6183, 11109, 13041, 14283, 14427, 15801, 18549, 33327, 36869, 42849, 43281, 47403, 99981, 110607, 121141, 129843, 142209, 299943, 331821, 363423, 426627, 847987, 995463, 1090269, 2543961, 2986389, 3270807, 7631883, 9812421, 22895649, 68686947]

約数ペア:

[(1, 68686947), (3, 22895649), (7, 9812421), (9, 7631883), (21, 3270807), (23, 2986389), (27, 2543961), (63, 1090269), (69, 995463), (81, 847987), (161, 426627), (189, 363423), (207, 331821), (229, 299943), (483, 142209), (529, 129843), (567, 121141), (621, 110607), (687, 99981), (1449, 47403), (1587, 43281), (1603, 42849), (1863, 36869), (2061, 33327), (3703, 18549), (4347, 15801), (4761, 14427), (4809, 14283), (5267, 13041), (6183, 11109)]