81335826

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3511}}^1$

素因数の和:3549

約数の個数: 80

約数和(自身を含む): 214175808

約数和(自身を除く): 132839982

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 81, 99, 117, 143, 162, 198, 234, 286, 297, 351, 429, 594, 702, 858, 891, 1053, 1287, 1782, 2106, 2574, 3511, 3861, 7022, 7722, 10533, 11583, 21066, 23166, 31599, 38621, 45643, 63198, 77242, 91286, 94797, 115863, 136929, 189594, 231726, 273858, 284391, 347589, 410787, 502073, 568782, 695178, 821574, 1004146, 1042767, 1232361, 1506219, 2085534, 2464722, 3012438, 3128301, 3697083, 4518657, 6256602, 7394166, 9037314, 13555971, 27111942, 40667913, 81335826]

約数ペア:

[(1, 81335826), (2, 40667913), (3, 27111942), (6, 13555971), (9, 9037314), (11, 7394166), (13, 6256602), (18, 4518657), (22, 3697083), (26, 3128301), (27, 3012438), (33, 2464722), (39, 2085534), (54, 1506219), (66, 1232361), (78, 1042767), (81, 1004146), (99, 821574), (117, 695178), (143, 568782), (162, 502073), (198, 410787), (234, 347589), (286, 284391), (297, 273858), (351, 231726), (429, 189594), (594, 136929), (702, 115863), (858, 94797), (891, 91286), (1053, 77242), (1287, 63198), (1782, 45643), (2106, 38621), (2574, 31599), (3511, 23166), (3861, 21066), (7022, 11583), (7722, 10533)]