11728905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 19785600

約数和(自身を除く): 8056695

約数列:

[1, 3, 5, 15, 29, 59, 87, 145, 177, 295, 435, 457, 885, 1371, 1711, 2285, 5133, 6855, 8555, 13253, 25665, 26963, 39759, 66265, 80889, 134815, 198795, 404445, 781927, 2345781, 3909635, 11728905]

約数ペア:

[(1, 11728905), (3, 3909635), (5, 2345781), (15, 781927), (29, 404445), (59, 198795), (87, 134815), (145, 80889), (177, 66265), (295, 39759), (435, 26963), (457, 25665), (885, 13253), (1371, 8555), (1711, 6855), (2285, 5133)]