309955005

素因数分解:

$3^5\times 5^1\times {\mathrm{255107}}^1$

素因数の和:255127

約数の個数: 24

約数和(自身を含む): 557155872

約数和(自身を除く): 247200867

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 255107, 765321, 1275535, 2295963, 3826605, 6887889, 11479815, 20663667, 34439445, 61991001, 103318335, 309955005]

約数ペア:

[(1, 309955005), (3, 103318335), (5, 61991001), (9, 34439445), (15, 20663667), (27, 11479815), (45, 6887889), (81, 3826605), (135, 2295963), (243, 1275535), (405, 765321), (1215, 255107)]