128017869

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{44497}}^1$

素因数の和:44644

約数の個数: 16

約数和(自身を含む): 196503168

約数和(自身を除く): 68485299

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 44497, 133491, 311479, 934437, 6096089, 18288267, 42672623, 128017869]

約数ペア:

[(1, 128017869), (3, 42672623), (7, 18288267), (21, 6096089), (137, 934437), (411, 311479), (959, 133491), (2877, 44497)]