211458519

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 324922752

約数和(自身を除く): 113464233

約数列:

[1, 3, 9, 27, 71, 81, 83, 213, 249, 443, 639, 747, 1329, 1917, 2241, 3987, 5751, 5893, 6723, 11961, 17679, 31453, 35883, 36769, 53037, 94359, 110307, 159111, 283077, 330921, 477333, 849231, 992763, 2547693, 2610599, 2978289, 7831797, 23495391, 70486173, 211458519]

約数ペア:

[(1, 211458519), (3, 70486173), (9, 23495391), (27, 7831797), (71, 2978289), (81, 2610599), (83, 2547693), (213, 992763), (249, 849231), (443, 477333), (639, 330921), (747, 283077), (1329, 159111), (1917, 110307), (2241, 94359), (3987, 53037), (5751, 36769), (5893, 35883), (6723, 31453), (11961, 17679)]