201219171

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 284387328

約数和(自身を除く): 83168157

約数列:

[1, 3, 31, 73, 93, 107, 219, 277, 321, 831, 2263, 3317, 6789, 7811, 8587, 9951, 20221, 23433, 25761, 29639, 60663, 88917, 242141, 626851, 726423, 918809, 1880553, 2163647, 2756427, 6490941, 67073057, 201219171]

約数ペア:

[(1, 201219171), (3, 67073057), (31, 6490941), (73, 2756427), (93, 2163647), (107, 1880553), (219, 918809), (277, 726423), (321, 626851), (831, 242141), (2263, 88917), (3317, 60663), (6789, 29639), (7811, 25761), (8587, 23433), (9951, 20221)]