2019979899

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{82003}}^1$

素因数の和:82056

約数の個数: 48

約数和(自身を含む): 3684275712

約数和(自身を除く): 1664295813

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 119, 153, 161, 207, 357, 391, 483, 1071, 1173, 1449, 2737, 3519, 8211, 24633, 82003, 246009, 574021, 738027, 1394051, 1722063, 1886069, 4182153, 5166189, 5658207, 9758357, 12546459, 13202483, 16974621, 29275071, 32063173, 39607449, 87825213, 96189519, 118822347, 224442211, 288568557, 673326633, 2019979899]

約数ペア:

[(1, 2019979899), (3, 673326633), (7, 288568557), (9, 224442211), (17, 118822347), (21, 96189519), (23, 87825213), (51, 39607449), (63, 32063173), (69, 29275071), (119, 16974621), (153, 13202483), (161, 12546459), (207, 9758357), (357, 5658207), (391, 5166189), (483, 4182153), (1071, 1886069), (1173, 1722063), (1449, 1394051), (2737, 738027), (3519, 574021), (8211, 246009), (24633, 82003)]