161956053

素因数分解:

$3^2\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{1949}}^1$

素因数の和:3281

約数の個数: 24

約数和(自身を含む): 267696000

約数和(自身を除く): 105739947

約数列:

[1, 3, 7, 9, 21, 63, 1319, 1949, 3957, 5847, 9233, 11871, 13643, 17541, 27699, 40929, 83097, 122787, 2570731, 7712193, 17995117, 23136579, 53985351, 161956053]

約数ペア:

[(1, 161956053), (3, 53985351), (7, 23136579), (9, 17995117), (21, 7712193), (63, 2570731), (1319, 122787), (1949, 83097), (3957, 40929), (5847, 27699), (9233, 17541), (11871, 13643)]