66647565

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{87121}}^1$

素因数の和:87149

約数の個数: 24

約数和(自身を含む): 122319288

約数和(自身を除く): 55671723

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 87121, 261363, 435605, 784089, 1306815, 1481057, 3920445, 4443171, 7405285, 13329513, 22215855, 66647565]

約数ペア:

[(1, 66647565), (3, 22215855), (5, 13329513), (9, 7405285), (15, 4443171), (17, 3920445), (45, 1481057), (51, 1306815), (85, 784089), (153, 435605), (255, 261363), (765, 87121)]