28987407

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{599}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 44304000

約数和(自身を除く): 15316593

約数列:

[1, 3, 9, 19, 57, 171, 283, 599, 849, 1797, 2547, 5377, 5391, 11381, 16131, 34143, 48393, 102429, 169517, 508551, 1525653, 3220823, 9662469, 28987407]

約数ペア:

[(1, 28987407), (3, 9662469), (9, 3220823), (19, 1525653), (57, 508551), (171, 169517), (283, 102429), (599, 48393), (849, 34143), (1797, 16131), (2547, 11381), (5377, 5391)]