15951321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 24606504

約数和(自身を除く): 8655183

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 761, 1233, 2283, 2329, 6849, 6987, 12937, 20961, 38811, 104257, 116433, 312771, 938313, 1772369, 5317107, 15951321]

約数ペア:

[(1, 15951321), (3, 5317107), (9, 1772369), (17, 938313), (51, 312771), (137, 116433), (153, 104257), (411, 38811), (761, 20961), (1233, 12937), (2283, 6987), (2329, 6849)]