128662317

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4969}}^1$

素因数の和:5122

約数の個数: 32

約数和(自身を含む): 219475200

約数和(自身を除く): 90812883

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2877, 3699, 4969, 8631, 14907, 25893, 34783, 44721, 104349, 134163, 313047, 680753, 939141, 2042259, 4765271, 6126777, 14295813, 18380331, 42887439, 128662317]

約数ペア:

[(1, 128662317), (3, 42887439), (7, 18380331), (9, 14295813), (21, 6126777), (27, 4765271), (63, 2042259), (137, 939141), (189, 680753), (411, 313047), (959, 134163), (1233, 104349), (2877, 44721), (3699, 34783), (4969, 25893), (8631, 14907)]