81128538

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{11353}}^1$

素因数の和:11758

約数の個数: 24

約数和(自身を含む): 176236788

約数和(自身を除く): 95108250

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 3573, 7146, 11353, 22706, 34059, 68118, 102177, 204354, 4507141, 9014282, 13521423, 27042846, 40564269, 81128538]

約数ペア:

[(1, 81128538), (2, 40564269), (3, 27042846), (6, 13521423), (9, 9014282), (18, 4507141), (397, 204354), (794, 102177), (1191, 68118), (2382, 34059), (3573, 22706), (7146, 11353)]