280184517

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 420813900

約数和(自身を除く): 140629383

約数列:

[1, 3, 9, 43, 113, 129, 149, 339, 387, 447, 1017, 1341, 1849, 4859, 5547, 6407, 14577, 16641, 16837, 19221, 43731, 50511, 57663, 151533, 208937, 275501, 626811, 723991, 826503, 1880433, 2171973, 2479509, 6515919, 31131613, 93394839, 280184517]

約数ペア:

[(1, 280184517), (3, 93394839), (9, 31131613), (43, 6515919), (113, 2479509), (129, 2171973), (149, 1880433), (339, 826503), (387, 723991), (447, 626811), (1017, 275501), (1341, 208937), (1849, 151533), (4859, 57663), (5547, 50511), (6407, 43731), (14577, 19221), (16641, 16837)]