81135219

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 120140496

約数和(自身を除く): 39005277

約数列:

[1, 3, 11, 33, 101, 121, 303, 363, 1111, 2213, 3333, 6639, 12221, 24343, 36663, 73029, 223513, 267773, 670539, 803319, 2458643, 7375929, 27045073, 81135219]

約数ペア:

[(1, 81135219), (3, 27045073), (11, 7375929), (33, 2458643), (101, 803319), (121, 670539), (303, 267773), (363, 223513), (1111, 73029), (2213, 36663), (3333, 24343), (6639, 12221)]