81509997

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 110028800

約数和(自身を除く): 28518803

約数列:

[1, 3, 127, 349, 381, 613, 1047, 1839, 44323, 77851, 132969, 213937, 233553, 641811, 27169999, 81509997]

約数ペア:

[(1, 81509997), (3, 27169999), (127, 641811), (349, 233553), (381, 213937), (613, 132969), (1047, 77851), (1839, 44323)]