201655881

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139169}}^1$

素因数の和:139205

約数の個数: 24

約数和(自身を含む): 347368320

約数和(自身を除く): 145712439

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 139169, 417507, 974183, 1252521, 2922549, 3200887, 8767647, 9602661, 22406209, 28807983, 67218627, 201655881]

約数ペア:

[(1, 201655881), (3, 67218627), (7, 28807983), (9, 22406209), (21, 9602661), (23, 8767647), (63, 3200887), (69, 2922549), (161, 1252521), (207, 974183), (483, 417507), (1449, 139169)]