81683478

素因数分解:

$2^1\times 3^5\times {\mathrm{131}}^1\times {\mathrm{1283}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 185080896

約数和(自身を除く): 103397418

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 243, 262, 393, 486, 786, 1179, 1283, 2358, 2566, 3537, 3849, 7074, 7698, 10611, 11547, 21222, 23094, 31833, 34641, 63666, 69282, 103923, 168073, 207846, 311769, 336146, 504219, 623538, 1008438, 1512657, 3025314, 4537971, 9075942, 13613913, 27227826, 40841739, 81683478]

約数ペア:

[(1, 81683478), (2, 40841739), (3, 27227826), (6, 13613913), (9, 9075942), (18, 4537971), (27, 3025314), (54, 1512657), (81, 1008438), (131, 623538), (162, 504219), (243, 336146), (262, 311769), (393, 207846), (486, 168073), (786, 103923), (1179, 69282), (1283, 63666), (2358, 34641), (2566, 31833), (3537, 23094), (3849, 21222), (7074, 11547), (7698, 10611)]