56720835

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 102368448

約数和(自身を除く): 45647613

約数列:

[1, 3, 5, 9, 15, 41, 45, 71, 123, 205, 213, 355, 369, 433, 615, 639, 1065, 1299, 1845, 2165, 2911, 3195, 3897, 6495, 8733, 14555, 17753, 19485, 26199, 30743, 43665, 53259, 88765, 92229, 130995, 153715, 159777, 266295, 276687, 461145, 798885, 1260463, 1383435, 3781389, 6302315, 11344167, 18906945, 56720835]

約数ペア:

[(1, 56720835), (3, 18906945), (5, 11344167), (9, 6302315), (15, 3781389), (41, 1383435), (45, 1260463), (71, 798885), (123, 461145), (205, 276687), (213, 266295), (355, 159777), (369, 153715), (433, 130995), (615, 92229), (639, 88765), (1065, 53259), (1299, 43665), (1845, 30743), (2165, 26199), (2911, 19485), (3195, 17753), (3897, 14555), (6495, 8733)]