15517887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 26966016

約数和(自身を除く): 11448129

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 121, 197, 217, 231, 341, 363, 591, 651, 847, 1023, 1379, 2167, 2387, 2541, 3751, 4137, 6107, 6501, 7161, 11253, 15169, 18321, 23837, 26257, 42749, 45507, 67177, 71511, 78771, 128247, 166859, 201531, 470239, 500577, 738947, 1410717, 2216841, 5172629, 15517887]

約数ペア:

[(1, 15517887), (3, 5172629), (7, 2216841), (11, 1410717), (21, 738947), (31, 500577), (33, 470239), (77, 201531), (93, 166859), (121, 128247), (197, 78771), (217, 71511), (231, 67177), (341, 45507), (363, 42749), (591, 26257), (651, 23837), (847, 18321), (1023, 15169), (1379, 11253), (2167, 7161), (2387, 6501), (2541, 6107), (3751, 4137)]