217478841

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^2\times {\mathrm{619}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 311274720

約数和(自身を除く): 93795879

約数列:

[1, 3, 17, 51, 83, 249, 619, 1411, 1857, 4233, 6889, 10523, 20667, 31569, 51377, 117113, 154131, 351339, 873409, 2620227, 4264291, 12792873, 72492947, 217478841]

約数ペア:

[(1, 217478841), (3, 72492947), (17, 12792873), (51, 4264291), (83, 2620227), (249, 873409), (619, 351339), (1411, 154131), (1857, 117113), (4233, 51377), (6889, 31569), (10523, 20667)]