81996138

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{72307}}^1$

素因数の和:72328

約数の個数: 40

約数和(自身を含む): 209982432

約数和(自身を除く): 127986294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 72307, 144614, 216921, 433842, 506149, 650763, 1012298, 1301526, 1518447, 1952289, 3036894, 3904578, 4555341, 5856867, 9110682, 11713734, 13666023, 27332046, 40998069, 81996138]

約数ペア:

[(1, 81996138), (2, 40998069), (3, 27332046), (6, 13666023), (7, 11713734), (9, 9110682), (14, 5856867), (18, 4555341), (21, 3904578), (27, 3036894), (42, 1952289), (54, 1518447), (63, 1301526), (81, 1012298), (126, 650763), (162, 506149), (189, 433842), (378, 216921), (567, 144614), (1134, 72307)]