211167

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:105

約数の個数: 24

約数和(自身を含む): 349440

約数和(自身を除く): 138273

約数列:

[1, 3, 9, 11, 27, 33, 79, 81, 99, 237, 243, 297, 711, 869, 891, 2133, 2607, 2673, 6399, 7821, 19197, 23463, 70389, 211167]

約数ペア:

[(1, 211167), (3, 70389), (9, 23463), (11, 19197), (27, 7821), (33, 6399), (79, 2673), (81, 2607), (99, 2133), (237, 891), (243, 869), (297, 711)]