81031212

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{4603}}^1$

素因数の和:4779

約数の個数: 48

約数和(自身を含む): 211415680

約数和(自身を除く): 130384468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1467, 1956, 2934, 4401, 4603, 5868, 8802, 9206, 13809, 17604, 18412, 27618, 41427, 55236, 82854, 124281, 165708, 248562, 497124, 750289, 1500578, 2250867, 3001156, 4501734, 6752601, 9003468, 13505202, 20257803, 27010404, 40515606, 81031212]

約数ペア:

[(1, 81031212), (2, 40515606), (3, 27010404), (4, 20257803), (6, 13505202), (9, 9003468), (12, 6752601), (18, 4501734), (27, 3001156), (36, 2250867), (54, 1500578), (108, 750289), (163, 497124), (326, 248562), (489, 165708), (652, 124281), (978, 82854), (1467, 55236), (1956, 41427), (2934, 27618), (4401, 18412), (4603, 17604), (5868, 13809), (8802, 9206)]