15973167

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 26822400

約数和(自身を除く): 10849233

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 301, 343, 361, 399, 817, 903, 931, 1029, 1083, 2107, 2451, 2527, 2793, 5719, 6321, 6517, 7581, 14749, 15523, 17157, 17689, 19551, 40033, 44247, 46569, 53067, 108661, 120099, 123823, 280231, 325983, 371469, 760627, 840693, 2281881, 5324389, 15973167]

約数ペア:

[(1, 15973167), (3, 5324389), (7, 2281881), (19, 840693), (21, 760627), (43, 371469), (49, 325983), (57, 280231), (129, 123823), (133, 120099), (147, 108661), (301, 53067), (343, 46569), (361, 44247), (399, 40033), (817, 19551), (903, 17689), (931, 17157), (1029, 15523), (1083, 14749), (2107, 7581), (2451, 6517), (2527, 6321), (2793, 5719)]