81257796

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{10597}}^1$

素因数の和:10681

約数の個数: 48

約数和(自身を含む): 213655680

約数和(自身を除く): 132397884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 7668, 10597, 21194, 31791, 42388, 63582, 95373, 127164, 190746, 286119, 381492, 572238, 752387, 1144476, 1504774, 2257161, 3009548, 4514322, 6771483, 9028644, 13542966, 20314449, 27085932, 40628898, 81257796]

約数ペア:

[(1, 81257796), (2, 40628898), (3, 27085932), (4, 20314449), (6, 13542966), (9, 9028644), (12, 6771483), (18, 4514322), (27, 3009548), (36, 2257161), (54, 1504774), (71, 1144476), (108, 752387), (142, 572238), (213, 381492), (284, 286119), (426, 190746), (639, 127164), (852, 95373), (1278, 63582), (1917, 42388), (2556, 31791), (3834, 21194), (7668, 10597)]