81647838

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1343

約数の個数: 80

約数和(自身を含む): 202292640

約数和(自身を除く): 120644802

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 81, 102, 138, 153, 162, 207, 306, 391, 414, 459, 621, 782, 918, 1173, 1242, 1289, 1377, 1863, 2346, 2578, 2754, 3519, 3726, 3867, 7038, 7734, 10557, 11601, 21114, 21913, 23202, 29647, 31671, 34803, 43826, 59294, 63342, 65739, 69606, 88941, 104409, 131478, 177882, 197217, 208818, 266823, 394434, 503999, 533646, 591651, 800469, 1007998, 1183302, 1511997, 1600938, 1774953, 2401407, 3023994, 3549906, 4535991, 4802814, 9071982, 13607973, 27215946, 40823919, 81647838]

約数ペア:

[(1, 81647838), (2, 40823919), (3, 27215946), (6, 13607973), (9, 9071982), (17, 4802814), (18, 4535991), (23, 3549906), (27, 3023994), (34, 2401407), (46, 1774953), (51, 1600938), (54, 1511997), (69, 1183302), (81, 1007998), (102, 800469), (138, 591651), (153, 533646), (162, 503999), (207, 394434), (306, 266823), (391, 208818), (414, 197217), (459, 177882), (621, 131478), (782, 104409), (918, 88941), (1173, 69606), (1242, 65739), (1289, 63342), (1377, 59294), (1863, 43826), (2346, 34803), (2578, 31671), (2754, 29647), (3519, 23202), (3726, 21913), (3867, 21114), (7038, 11601), (7734, 10557)]