81145314

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 80

約数和(自身を含む): 196368480

約数和(自身を除く): 115223166

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 81, 82, 114, 123, 162, 171, 246, 342, 369, 513, 643, 738, 779, 1026, 1107, 1286, 1539, 1558, 1929, 2214, 2337, 3078, 3321, 3858, 4674, 5787, 6642, 7011, 11574, 12217, 14022, 17361, 21033, 24434, 26363, 34722, 36651, 42066, 52083, 52726, 63099, 73302, 79089, 104166, 109953, 126198, 158178, 219906, 237267, 329859, 474534, 500897, 659718, 711801, 989577, 1001794, 1423602, 1502691, 1979154, 2135403, 3005382, 4270806, 4508073, 9016146, 13524219, 27048438, 40572657, 81145314]

約数ペア:

[(1, 81145314), (2, 40572657), (3, 27048438), (6, 13524219), (9, 9016146), (18, 4508073), (19, 4270806), (27, 3005382), (38, 2135403), (41, 1979154), (54, 1502691), (57, 1423602), (81, 1001794), (82, 989577), (114, 711801), (123, 659718), (162, 500897), (171, 474534), (246, 329859), (342, 237267), (369, 219906), (513, 158178), (643, 126198), (738, 109953), (779, 104166), (1026, 79089), (1107, 73302), (1286, 63099), (1539, 52726), (1558, 52083), (1929, 42066), (2214, 36651), (2337, 34722), (3078, 26363), (3321, 24434), (3858, 21033), (4674, 17361), (5787, 14022), (6642, 12217), (7011, 11574)]