398173839

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 616112640

約数和(自身を除く): 217938801

約数列:

[1, 3, 7, 21, 109, 197, 327, 591, 763, 883, 1379, 2289, 2649, 4137, 6181, 18543, 21473, 64419, 96247, 150311, 173951, 288741, 450933, 521853, 673729, 1217657, 2021187, 3652971, 18960659, 56881977, 132724613, 398173839]

約数ペア:

[(1, 398173839), (3, 132724613), (7, 56881977), (21, 18960659), (109, 3652971), (197, 2021187), (327, 1217657), (591, 673729), (763, 521853), (883, 450933), (1379, 288741), (2289, 173951), (2649, 150311), (4137, 96247), (6181, 64419), (18543, 21473)]