13120515

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5717}}^1$

素因数の和:5748

約数の個数: 32

約数和(自身を含む): 24701760

約数和(自身を除く): 11581245

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 5717, 17151, 28585, 51453, 85755, 97189, 154359, 257265, 291567, 485945, 771795, 874701, 1457835, 2624103, 4373505, 13120515]

約数ペア:

[(1, 13120515), (3, 4373505), (5, 2624103), (9, 1457835), (15, 874701), (17, 771795), (27, 485945), (45, 291567), (51, 257265), (85, 154359), (135, 97189), (153, 85755), (255, 51453), (459, 28585), (765, 17151), (2295, 5717)]