66401391

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137477}}^1$

素因数の和:137510

約数の個数: 16

約数和(自身を含む): 105583104

約数和(自身を除く): 39181713

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 137477, 412431, 962339, 2887017, 3161971, 9485913, 22133797, 66401391]

約数ペア:

[(1, 66401391), (3, 22133797), (7, 9485913), (21, 3161971), (23, 2887017), (69, 962339), (161, 412431), (483, 137477)]