27878415

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4253}}^1$

素因数の和:4303

約数の個数: 32

約数和(自身を含む): 49006080

約数和(自身を除く): 21127665

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 4253, 6555, 12759, 21265, 63795, 80807, 97819, 242421, 293457, 404035, 489095, 1212105, 1467285, 1858561, 5575683, 9292805, 27878415]

約数ペア:

[(1, 27878415), (3, 9292805), (5, 5575683), (15, 1858561), (19, 1467285), (23, 1212105), (57, 489095), (69, 404035), (95, 293457), (115, 242421), (285, 97819), (345, 80807), (437, 63795), (1311, 21265), (2185, 12759), (4253, 6555)]