1999223877

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{244733}}^1$

素因数の和:245132

約数の個数: 16

約数和(自身を含む): 3054280320

約数和(自身を除く): 1055056443

約数列:

[1, 3, 7, 21, 389, 1167, 2723, 8169, 244733, 734199, 1713131, 5139393, 95201137, 285603411, 666407959, 1999223877]

約数ペア:

[(1, 1999223877), (3, 666407959), (7, 285603411), (21, 95201137), (389, 5139393), (1167, 1713131), (2723, 734199), (8169, 244733)]