42139321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3137}}^1$

素因数の和:3264

約数の個数: 16

約数和(自身を含む): 51212160

約数和(自身を除く): 9072839

約数列:

[1, 7, 19, 101, 133, 707, 1919, 3137, 13433, 21959, 59603, 316837, 417221, 2217859, 6019903, 42139321]

約数ペア:

[(1, 42139321), (7, 6019903), (19, 2217859), (101, 417221), (133, 316837), (707, 59603), (1919, 21959), (3137, 13433)]