15626821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 19446912

約数和(自身を除く): 3820091

約数列:

[1, 7, 23, 31, 101, 161, 217, 707, 713, 961, 2323, 3131, 4991, 6727, 16261, 21917, 22103, 72013, 97061, 154721, 504091, 679427, 2232403, 15626821]

約数ペア:

[(1, 15626821), (7, 2232403), (23, 679427), (31, 504091), (101, 154721), (161, 97061), (217, 72013), (707, 22103), (713, 21917), (961, 16261), (2323, 6727), (3131, 4991)]