215223791

素因数分解:

${\mathrm{17}}^3\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:739

約数の個数: 16

約数和(自身を含む): 232269120

約数和(自身を除く): 17045329

約数列:

[1, 17, 71, 289, 617, 1207, 4913, 10489, 20519, 43807, 178313, 348823, 744719, 3031321, 12660223, 215223791]

約数ペア:

[(1, 215223791), (17, 12660223), (71, 3031321), (289, 744719), (617, 348823), (1207, 178313), (4913, 43807), (10489, 20519)]