81351612

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^2\times {\mathrm{2687}}^1$

素因数の和:2755

約数の個数: 54

約数和(自身を含む): 213053568

約数和(自身を除く): 131701956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 841, 1044, 1682, 2523, 2687, 3364, 5046, 5374, 7569, 8061, 10092, 10748, 15138, 16122, 24183, 30276, 32244, 48366, 77923, 96732, 155846, 233769, 311692, 467538, 701307, 935076, 1402614, 2259767, 2805228, 4519534, 6779301, 9039068, 13558602, 20337903, 27117204, 40675806, 81351612]

約数ペア:

[(1, 81351612), (2, 40675806), (3, 27117204), (4, 20337903), (6, 13558602), (9, 9039068), (12, 6779301), (18, 4519534), (29, 2805228), (36, 2259767), (58, 1402614), (87, 935076), (116, 701307), (174, 467538), (261, 311692), (348, 233769), (522, 155846), (841, 96732), (1044, 77923), (1682, 48366), (2523, 32244), (2687, 30276), (3364, 24183), (5046, 16122), (5374, 15138), (7569, 10748), (8061, 10092)]