81145533

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{21587}}^1$

素因数の和:21776

約数の個数: 16

約数和(自身を含む): 124346880

約数和(自身を除く): 43201347

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3759, 21587, 64761, 151109, 453327, 3864073, 11592219, 27048511, 81145533]

約数ペア:

[(1, 81145533), (3, 27048511), (7, 11592219), (21, 3864073), (179, 453327), (537, 151109), (1253, 64761), (3759, 21587)]