20180445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79139}}^1$

素因数の和:79164

約数の個数: 16

約数和(自身を含む): 34188480

約数和(自身を除く): 14008035

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79139, 237417, 395695, 1187085, 1345363, 4036089, 6726815, 20180445]

約数ペア:

[(1, 20180445), (3, 6726815), (5, 4036089), (15, 1345363), (17, 1187085), (51, 395695), (85, 237417), (255, 79139)]