289742439

素因数分解:

$3^1\times 7^2\times {\mathrm{733}}^1\times {\mathrm{2689}}^1$

素因数の和:3439

約数の個数: 24

約数和(自身を含む): 450176880

約数和(自身を除く): 160434441

約数列:

[1, 3, 7, 21, 49, 147, 733, 2199, 2689, 5131, 8067, 15393, 18823, 35917, 56469, 107751, 131761, 395283, 1971037, 5913111, 13797259, 41391777, 96580813, 289742439]

約数ペア:

[(1, 289742439), (3, 96580813), (7, 41391777), (21, 13797259), (49, 5913111), (147, 1971037), (733, 395283), (2199, 131761), (2689, 107751), (5131, 56469), (8067, 35917), (15393, 18823)]