80641209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{27457}}^1$

素因数の和:27560

約数の個数: 16

約数和(自身を含む): 118618560

約数和(自身を除く): 37977351

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 27457, 82371, 302027, 906081, 2443673, 7331019, 26880403, 80641209]

約数ペア:

[(1, 80641209), (3, 26880403), (11, 7331019), (33, 2443673), (89, 906081), (267, 302027), (979, 82371), (2937, 27457)]