1639891191

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1\times {\mathrm{14771}}^1$

素因数の和:16406

約数の個数: 16

約数和(自身を含む): 2283160320

約数和(自身を除く): 643269129

約数列:

[1, 3, 23, 69, 1609, 4827, 14771, 37007, 44313, 111021, 339733, 1019199, 23766539, 71299617, 546630397, 1639891191]

約数ペア:

[(1, 1639891191), (3, 546630397), (23, 71299617), (69, 23766539), (1609, 1019199), (4827, 339733), (14771, 111021), (37007, 44313)]