2691551163

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{21001}}^1$

素因数の和:21387

約数の個数: 32

約数和(自身を含む): 4354974720

約数和(自身を除く): 1663423557

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 359, 1077, 2513, 6103, 7539, 18309, 21001, 42721, 63003, 128163, 147007, 357017, 441021, 1071051, 2499119, 7497357, 7539359, 22618077, 52775513, 128169103, 158326539, 384507309, 897183721, 2691551163]

約数ペア:

[(1, 2691551163), (3, 897183721), (7, 384507309), (17, 158326539), (21, 128169103), (51, 52775513), (119, 22618077), (357, 7539359), (359, 7497357), (1077, 2499119), (2513, 1071051), (6103, 441021), (7539, 357017), (18309, 147007), (21001, 128163), (42721, 63003)]