212534721

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{20201}}^1$

素因数の和:20381

約数の個数: 24

約数和(自身を含む): 352969344

約数和(自身を除く): 140434623

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 3507, 10521, 20201, 60603, 141407, 181809, 424221, 1272663, 3373567, 10120701, 23614969, 30362103, 70844907, 212534721]

約数ペア:

[(1, 212534721), (3, 70844907), (7, 30362103), (9, 23614969), (21, 10120701), (63, 3373567), (167, 1272663), (501, 424221), (1169, 181809), (1503, 141407), (3507, 60603), (10521, 20201)]