408528393

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{11783}}^1$

素因数の和:11933

約数の個数: 32

約数和(自身を含む): 675741696

約数和(自身を除く): 267213303

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 889, 1651, 2667, 4953, 11557, 11783, 34671, 35349, 82481, 153179, 247443, 459537, 1072253, 1496441, 3216759, 4489323, 10475087, 19453733, 31425261, 58361199, 136176131, 408528393]

約数ペア:

[(1, 408528393), (3, 136176131), (7, 58361199), (13, 31425261), (21, 19453733), (39, 10475087), (91, 4489323), (127, 3216759), (273, 1496441), (381, 1072253), (889, 459537), (1651, 247443), (2667, 153179), (4953, 82481), (11557, 35349), (11783, 34671)]