1404489121

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{20981}}^1$

素因数の和:21192

約数の個数: 16

約数和(自身を含む): 1639617408

約数和(自身を除く): 235128287

約数列:

[1, 7, 73, 131, 511, 917, 9563, 20981, 66941, 146867, 1531613, 2748511, 10721291, 19239577, 200641303, 1404489121]

約数ペア:

[(1, 1404489121), (7, 200641303), (73, 19239577), (131, 10721291), (511, 2748511), (917, 1531613), (9563, 146867), (20981, 66941)]