81385722

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:553

約数の個数: 80

約数和(自身を含む): 201247200

約数和(自身を除く): 119861478

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 109, 162, 198, 218, 297, 327, 419, 594, 654, 838, 891, 981, 1199, 1257, 1782, 1962, 2398, 2514, 2943, 3597, 3771, 4609, 5886, 7194, 7542, 8829, 9218, 10791, 11313, 13827, 17658, 21582, 22626, 27654, 32373, 33939, 41481, 45671, 64746, 67878, 82962, 91342, 97119, 124443, 137013, 194238, 248886, 274026, 373329, 411039, 502381, 746658, 822078, 1004762, 1233117, 1507143, 2466234, 3014286, 3699351, 4521429, 7398702, 9042858, 13564287, 27128574, 40692861, 81385722]

約数ペア:

[(1, 81385722), (2, 40692861), (3, 27128574), (6, 13564287), (9, 9042858), (11, 7398702), (18, 4521429), (22, 3699351), (27, 3014286), (33, 2466234), (54, 1507143), (66, 1233117), (81, 1004762), (99, 822078), (109, 746658), (162, 502381), (198, 411039), (218, 373329), (297, 274026), (327, 248886), (419, 194238), (594, 137013), (654, 124443), (838, 97119), (891, 91342), (981, 82962), (1199, 67878), (1257, 64746), (1782, 45671), (1962, 41481), (2398, 33939), (2514, 32373), (2943, 27654), (3597, 22626), (3771, 21582), (4609, 17658), (5886, 13827), (7194, 11313), (7542, 10791), (8829, 9218)]