158193

素因数分解:

$3^6\times 7^1\times {\mathrm{31}}^1$

素因数の和:56

約数の個数: 28

約数和(自身を含む): 279808

約数和(自身を除く): 121615

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 567, 651, 729, 837, 1701, 1953, 2511, 5103, 5859, 7533, 17577, 22599, 52731, 158193]

約数ペア:

[(1, 158193), (3, 52731), (7, 22599), (9, 17577), (21, 7533), (27, 5859), (31, 5103), (63, 2511), (81, 1953), (93, 1701), (189, 837), (217, 729), (243, 651), (279, 567)]