81144621

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{23059}}^1$

素因数の和:23105

約数の個数: 24

約数和(自身を含む): 129504960

約数和(自身を除く): 48360339

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 23059, 69177, 207531, 392003, 530357, 1176009, 1591071, 3528027, 4773213, 9016069, 27048207, 81144621]

約数ペア:

[(1, 81144621), (3, 27048207), (9, 9016069), (17, 4773213), (23, 3528027), (51, 1591071), (69, 1176009), (153, 530357), (207, 392003), (391, 207531), (1173, 69177), (3519, 23059)]