81091206

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1727

約数の個数: 80

約数和(自身を含む): 212619264

約数和(自身を除く): 131528058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 81, 86, 126, 129, 162, 189, 258, 301, 378, 387, 567, 602, 774, 903, 1134, 1161, 1663, 1806, 2322, 2709, 3326, 3483, 4989, 5418, 6966, 8127, 9978, 11641, 14967, 16254, 23282, 24381, 29934, 34923, 44901, 48762, 69846, 71509, 89802, 104769, 134703, 143018, 209538, 214527, 269406, 314307, 429054, 500563, 628614, 643581, 942921, 1001126, 1287162, 1501689, 1885842, 1930743, 3003378, 3861486, 4505067, 5792229, 9010134, 11584458, 13515201, 27030402, 40545603, 81091206]

約数ペア:

[(1, 81091206), (2, 40545603), (3, 27030402), (6, 13515201), (7, 11584458), (9, 9010134), (14, 5792229), (18, 4505067), (21, 3861486), (27, 3003378), (42, 1930743), (43, 1885842), (54, 1501689), (63, 1287162), (81, 1001126), (86, 942921), (126, 643581), (129, 628614), (162, 500563), (189, 429054), (258, 314307), (301, 269406), (378, 214527), (387, 209538), (567, 143018), (602, 134703), (774, 104769), (903, 89802), (1134, 71509), (1161, 69846), (1663, 48762), (1806, 44901), (2322, 34923), (2709, 29934), (3326, 24381), (3483, 23282), (4989, 16254), (5418, 14967), (6966, 11641), (8127, 9978)]