16688943

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 25886720

約数和(自身を除く): 9197777

約数列:

[1, 3, 9, 27, 31, 93, 127, 157, 279, 381, 471, 837, 1143, 1413, 3429, 3937, 4239, 4867, 11811, 14601, 19939, 35433, 43803, 59817, 106299, 131409, 179451, 538353, 618109, 1854327, 5562981, 16688943]

約数ペア:

[(1, 16688943), (3, 5562981), (9, 1854327), (27, 618109), (31, 538353), (93, 179451), (127, 131409), (157, 106299), (279, 59817), (381, 43803), (471, 35433), (837, 19939), (1143, 14601), (1413, 11811), (3429, 4867), (3937, 4239)]