280884579

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^2$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 397493760

約数和(自身を除く): 116609181

約数列:

[1, 3, 23, 69, 79, 227, 237, 681, 1817, 5221, 5451, 15663, 17933, 51529, 53799, 154587, 412459, 1185167, 1237377, 3555501, 4070791, 12212373, 93628193, 280884579]

約数ペア:

[(1, 280884579), (3, 93628193), (23, 12212373), (69, 4070791), (79, 3555501), (227, 1237377), (237, 1185167), (681, 412459), (1817, 154587), (5221, 53799), (5451, 51529), (15663, 17933)]