81353646

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:739

約数の個数: 80

約数和(自身を含む): 201979008

約数和(自身を除く): 120625362

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 81, 99, 142, 162, 198, 213, 297, 426, 594, 639, 643, 781, 891, 1278, 1286, 1562, 1782, 1917, 1929, 2343, 3834, 3858, 4686, 5751, 5787, 7029, 7073, 11502, 11574, 14058, 14146, 17361, 21087, 21219, 34722, 42174, 42438, 45653, 52083, 63261, 63657, 91306, 104166, 126522, 127314, 136959, 190971, 273918, 381942, 410877, 502183, 572913, 821754, 1004366, 1145826, 1232631, 1506549, 2465262, 3013098, 3697893, 4519647, 7395786, 9039294, 13558941, 27117882, 40676823, 81353646]

約数ペア:

[(1, 81353646), (2, 40676823), (3, 27117882), (6, 13558941), (9, 9039294), (11, 7395786), (18, 4519647), (22, 3697893), (27, 3013098), (33, 2465262), (54, 1506549), (66, 1232631), (71, 1145826), (81, 1004366), (99, 821754), (142, 572913), (162, 502183), (198, 410877), (213, 381942), (297, 273918), (426, 190971), (594, 136959), (639, 127314), (643, 126522), (781, 104166), (891, 91306), (1278, 63657), (1286, 63261), (1562, 52083), (1782, 45653), (1917, 42438), (1929, 42174), (2343, 34722), (3834, 21219), (3858, 21087), (4686, 17361), (5751, 14146), (5787, 14058), (7029, 11574), (7073, 11502)]