2009933821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{290327}}^1$

素因数の和:290400

約数の個数: 16

約数和(自身を含む): 2452690944

約数和(自身を除く): 442757123

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 290327, 2032289, 6677521, 12484061, 46742647, 87388427, 287133403, 2009933821]

約数ペア:

[(1, 2009933821), (7, 287133403), (23, 87388427), (43, 46742647), (161, 12484061), (301, 6677521), (989, 2032289), (6923, 290327)]