80320005

素因数分解:

$3^5\times 5^1\times {\mathrm{66107}}^1$

素因数の和:66127

約数の個数: 24

約数和(自身を含む): 144379872

約数和(自身を除く): 64059867

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 66107, 198321, 330535, 594963, 991605, 1784889, 2974815, 5354667, 8924445, 16064001, 26773335, 80320005]

約数ペア:

[(1, 80320005), (3, 26773335), (5, 16064001), (9, 8924445), (15, 5354667), (27, 2974815), (45, 1784889), (81, 991605), (135, 594963), (243, 330535), (405, 198321), (1215, 66107)]