28847931

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13337}}^1$

素因数の和:13450

約数の個数: 16

約数和(自身を含む): 44388864

約数和(自身を除く): 15540933

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 13337, 40011, 93359, 280077, 1373711, 4121133, 9615977, 28847931]

約数ペア:

[(1, 28847931), (3, 9615977), (7, 4121133), (21, 1373711), (103, 280077), (309, 93359), (721, 40011), (2163, 13337)]