78880995

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13381}}^1$

素因数の和:13523

約数の個数: 24

約数和(自身を含む): 137781072

約数和(自身を除く): 58900077

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 13381, 40143, 66905, 120429, 200715, 602145, 1752911, 5258733, 8764555, 15776199, 26293665, 78880995]

約数ペア:

[(1, 78880995), (3, 26293665), (5, 15776199), (9, 8764555), (15, 5258733), (45, 1752911), (131, 602145), (393, 200715), (655, 120429), (1179, 66905), (1965, 40143), (5895, 13381)]