80451981

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{18979}}^1$

素因数の和:19145

約数の個数: 16

約数和(自身を含む): 119953600

約数和(自身を除く): 39501619

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 18979, 56937, 170811, 512433, 2979703, 8939109, 26817327, 80451981]

約数ペア:

[(1, 80451981), (3, 26817327), (9, 8939109), (27, 2979703), (157, 512433), (471, 170811), (1413, 56937), (4239, 18979)]