81138873

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 120176640

約数和(自身を除く): 39037767

約数列:

[1, 3, 19, 31, 47, 57, 93, 141, 589, 893, 977, 1457, 1767, 2679, 2931, 4371, 18563, 27683, 30287, 45919, 55689, 83049, 90861, 137757, 575453, 872461, 1423489, 1726359, 2617383, 4270467, 27046291, 81138873]

約数ペア:

[(1, 81138873), (3, 27046291), (19, 4270467), (31, 2617383), (47, 1726359), (57, 1423489), (93, 872461), (141, 575453), (589, 137757), (893, 90861), (977, 83049), (1457, 55689), (1767, 45919), (2679, 30287), (2931, 27683), (4371, 18563)]