64680441

素因数分解:

$3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1753}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 100777824

約数和(自身を除く): 36097383

約数列:

[1, 3, 7, 21, 49, 147, 251, 753, 1753, 1757, 5259, 5271, 12271, 12299, 36813, 36897, 85897, 257691, 440003, 1320009, 3080021, 9240063, 21560147, 64680441]

約数ペア:

[(1, 64680441), (3, 21560147), (7, 9240063), (21, 3080021), (49, 1320009), (147, 440003), (251, 257691), (753, 85897), (1753, 36897), (1757, 36813), (5259, 12299), (5271, 12271)]