90720687

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 135717120

約数和(自身を除く): 44996433

約数列:

[1, 3, 17, 19, 51, 57, 251, 323, 373, 753, 969, 1119, 4267, 4769, 6341, 7087, 12801, 14307, 19023, 21261, 81073, 93623, 120479, 243219, 280869, 361437, 1591591, 1778837, 4774773, 5336511, 30240229, 90720687]

約数ペア:

[(1, 90720687), (3, 30240229), (17, 5336511), (19, 4774773), (51, 1778837), (57, 1591591), (251, 361437), (323, 280869), (373, 243219), (753, 120479), (969, 93623), (1119, 81073), (4267, 21261), (4769, 19023), (6341, 14307), (7087, 12801)]