215778879

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{26669}}^1$

素因数の和:26735

約数の個数: 24

約数和(自身を含む): 332841600

約数和(自身を除く): 117062721

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 26669, 80007, 240021, 773401, 826739, 2320203, 2480217, 6960609, 7440651, 23975431, 71926293, 215778879]

約数ペア:

[(1, 215778879), (3, 71926293), (9, 23975431), (29, 7440651), (31, 6960609), (87, 2480217), (93, 2320203), (261, 826739), (279, 773401), (899, 240021), (2697, 80007), (8091, 26669)]