7471389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 11289600

約数和(自身を除く): 3818211

約数列:

[1, 3, 19, 23, 41, 57, 69, 123, 139, 417, 437, 779, 943, 1311, 2337, 2641, 2829, 3197, 5699, 7923, 9591, 17097, 17917, 53751, 60743, 108281, 131077, 182229, 324843, 393231, 2490463, 7471389]

約数ペア:

[(1, 7471389), (3, 2490463), (19, 393231), (23, 324843), (41, 182229), (57, 131077), (69, 108281), (123, 60743), (139, 53751), (417, 17917), (437, 17097), (779, 9591), (943, 7923), (1311, 5699), (2337, 3197), (2641, 2829)]