81211086

素因数分解:

$2^1\times 3^5\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1420

約数の個数: 72

約数和(自身を含む): 200716152

約数和(自身を除く): 119505066

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 121, 162, 198, 242, 243, 297, 363, 486, 594, 726, 891, 1089, 1381, 1782, 2178, 2673, 2762, 3267, 4143, 5346, 6534, 8286, 9801, 12429, 15191, 19602, 24858, 29403, 30382, 37287, 45573, 58806, 74574, 91146, 111861, 136719, 167101, 223722, 273438, 334202, 335583, 410157, 501303, 671166, 820314, 1002606, 1230471, 1503909, 2460942, 3007818, 3691413, 4511727, 7382826, 9023454, 13535181, 27070362, 40605543, 81211086]

約数ペア:

[(1, 81211086), (2, 40605543), (3, 27070362), (6, 13535181), (9, 9023454), (11, 7382826), (18, 4511727), (22, 3691413), (27, 3007818), (33, 2460942), (54, 1503909), (66, 1230471), (81, 1002606), (99, 820314), (121, 671166), (162, 501303), (198, 410157), (242, 335583), (243, 334202), (297, 273438), (363, 223722), (486, 167101), (594, 136719), (726, 111861), (891, 91146), (1089, 74574), (1381, 58806), (1782, 45573), (2178, 37287), (2673, 30382), (2762, 29403), (3267, 24858), (4143, 19602), (5346, 15191), (6534, 12429), (8286, 9801)]