28610415

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1723}}^1$

素因数の和:1781

約数の個数: 40

約数和(自身を含む): 52568208

約数和(自身を除く): 23957793

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1723, 1845, 3321, 5169, 5535, 8615, 15507, 16605, 25845, 46521, 70643, 77535, 139563, 211929, 232605, 353215, 635787, 697815, 1059645, 1907361, 3178935, 5722083, 9536805, 28610415]

約数ペア:

[(1, 28610415), (3, 9536805), (5, 5722083), (9, 3178935), (15, 1907361), (27, 1059645), (41, 697815), (45, 635787), (81, 353215), (123, 232605), (135, 211929), (205, 139563), (369, 77535), (405, 70643), (615, 46521), (1107, 25845), (1723, 16605), (1845, 15507), (3321, 8615), (5169, 5535)]