81327414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{28901}}^1$

素因数の和:28980

約数の個数: 32

約数和(自身を含む): 188672256

約数和(自身を除く): 107344842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 28901, 57802, 86703, 173406, 202307, 404614, 606921, 1213842, 1936367, 3872734, 5809101, 11618202, 13554569, 27109138, 40663707, 81327414]

約数ペア:

[(1, 81327414), (2, 40663707), (3, 27109138), (6, 13554569), (7, 11618202), (14, 5809101), (21, 3872734), (42, 1936367), (67, 1213842), (134, 606921), (201, 404614), (402, 202307), (469, 173406), (938, 86703), (1407, 57802), (2814, 28901)]