81298767

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 131383296

約数和(自身を除く): 50084529

約数列:

[1, 3, 11, 23, 33, 43, 47, 53, 69, 129, 141, 159, 253, 473, 517, 583, 759, 989, 1081, 1219, 1419, 1551, 1749, 2021, 2279, 2491, 2967, 3243, 3657, 6063, 6837, 7473, 10879, 11891, 13409, 22231, 25069, 27401, 32637, 35673, 40227, 46483, 52417, 57293, 66693, 75207, 82203, 107113, 139449, 157251, 171879, 321339, 511313, 576587, 630223, 1178243, 1533939, 1729761, 1890669, 2463599, 3534729, 7390797, 27099589, 81298767]

約数ペア:

[(1, 81298767), (3, 27099589), (11, 7390797), (23, 3534729), (33, 2463599), (43, 1890669), (47, 1729761), (53, 1533939), (69, 1178243), (129, 630223), (141, 576587), (159, 511313), (253, 321339), (473, 171879), (517, 157251), (583, 139449), (759, 107113), (989, 82203), (1081, 75207), (1219, 66693), (1419, 57293), (1551, 52417), (1749, 46483), (2021, 40227), (2279, 35673), (2491, 32637), (2967, 27401), (3243, 25069), (3657, 22231), (6063, 13409), (6837, 11891), (7473, 10879)]