78881805

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12611}}^1$

素因数の和:12761

約数の個数: 24

約数和(自身を含む): 137723040

約数和(自身を除く): 58841235

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 12611, 37833, 63055, 113499, 189165, 567495, 1752929, 5258787, 8764645, 15776361, 26293935, 78881805]

約数ペア:

[(1, 78881805), (3, 26293935), (5, 15776361), (9, 8764645), (15, 5258787), (45, 1752929), (139, 567495), (417, 189165), (695, 113499), (1251, 63055), (2085, 37833), (6255, 12611)]