80871255

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38237}}^1$

素因数の和:38295

約数の個数: 24

約数和(自身を含む): 143163072

約数和(自身を除く): 62291817

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 38237, 114711, 191185, 344133, 573555, 1720665, 1797139, 5391417, 8985695, 16174251, 26957085, 80871255]

約数ペア:

[(1, 80871255), (3, 26957085), (5, 16174251), (9, 8985695), (15, 5391417), (45, 1797139), (47, 1720665), (141, 573555), (235, 344133), (423, 191185), (705, 114711), (2115, 38237)]