28546221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12911}}^1$

素因数の和:12992

約数の個数: 16

約数和(自身を含む): 42144768

約数和(自身を除く): 13598547

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 12911, 38733, 142021, 426063, 865037, 2595111, 9515407, 28546221]

約数ペア:

[(1, 28546221), (3, 9515407), (11, 2595111), (33, 865037), (67, 426063), (201, 142021), (737, 38733), (2211, 12911)]