81091278

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1867}}^1$

素因数の和:2021

約数の個数: 48

約数和(自身を含む): 186501120

約数和(自身を除く): 105409842

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 127, 171, 254, 342, 381, 762, 1143, 1867, 2286, 2413, 3734, 4826, 5601, 7239, 11202, 14478, 16803, 21717, 33606, 35473, 43434, 70946, 106419, 212838, 237109, 319257, 474218, 638514, 711327, 1422654, 2133981, 4267962, 4505071, 9010142, 13515213, 27030426, 40545639, 81091278]

約数ペア:

[(1, 81091278), (2, 40545639), (3, 27030426), (6, 13515213), (9, 9010142), (18, 4505071), (19, 4267962), (38, 2133981), (57, 1422654), (114, 711327), (127, 638514), (171, 474218), (254, 319257), (342, 237109), (381, 212838), (762, 106419), (1143, 70946), (1867, 43434), (2286, 35473), (2413, 33606), (3734, 21717), (4826, 16803), (5601, 14478), (7239, 11202)]