201821613

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{73363}}^1$

素因数の和:73504

約数の個数: 16

約数和(自身を含む): 309889536

約数和(自身を除く): 108067923

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 73363, 220089, 513541, 1540623, 9610553, 28831659, 67273871, 201821613]

約数ペア:

[(1, 201821613), (3, 67273871), (7, 28831659), (21, 9610553), (131, 1540623), (393, 513541), (917, 220089), (2751, 73363)]