64518639

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 91929600

約数和(自身を除く): 27410961

約数列:

[1, 3, 37, 47, 83, 111, 141, 149, 249, 447, 1739, 3071, 3901, 5217, 5513, 7003, 9213, 11703, 12367, 16539, 21009, 37101, 144337, 259111, 433011, 457579, 581249, 777333, 1372737, 1743747, 21506213, 64518639]

約数ペア:

[(1, 64518639), (3, 21506213), (37, 1743747), (47, 1372737), (83, 777333), (111, 581249), (141, 457579), (149, 433011), (249, 259111), (447, 144337), (1739, 37101), (3071, 21009), (3901, 16539), (5217, 12367), (5513, 11703), (7003, 9213)]