13470219

素因数分解:

$3^5\times 7^1\times {\mathrm{7919}}^1$

素因数の和:7941

約数の個数: 24

約数和(自身を含む): 23063040

約数和(自身を除く): 9592821

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 7919, 23757, 55433, 71271, 166299, 213813, 498897, 641439, 1496691, 1924317, 4490073, 13470219]

約数ペア:

[(1, 13470219), (3, 4490073), (7, 1924317), (9, 1496691), (21, 641439), (27, 498897), (63, 213813), (81, 166299), (189, 71271), (243, 55433), (567, 23757), (1701, 7919)]