7057281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 11870208

約数和(自身を除く): 4812927

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 223, 231, 411, 669, 959, 1507, 1561, 2453, 2877, 4521, 4683, 7359, 10549, 17171, 30551, 31647, 51513, 91653, 213857, 336061, 641571, 1008183, 2352427, 7057281]

約数ペア:

[(1, 7057281), (3, 2352427), (7, 1008183), (11, 641571), (21, 336061), (33, 213857), (77, 91653), (137, 51513), (223, 31647), (231, 30551), (411, 17171), (669, 10549), (959, 7359), (1507, 4683), (1561, 4521), (2453, 2877)]