64638567

素因数分解:

$3^4\times 7^1\times {\mathrm{114001}}^1$

素因数の和:114020

約数の個数: 20

約数和(自身を含む): 110353936

約数和(自身を除く): 45715369

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 114001, 342003, 798007, 1026009, 2394021, 3078027, 7182063, 9234081, 21546189, 64638567]

約数ペア:

[(1, 64638567), (3, 21546189), (7, 9234081), (9, 7182063), (21, 3078027), (27, 2394021), (63, 1026009), (81, 798007), (189, 342003), (567, 114001)]