42749259

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{5639}}^1$

素因数の和:5687

約数の個数: 24

約数和(自身を含む): 68762880

約数和(自身を除く): 26013621

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 5639, 7581, 16917, 39473, 107141, 118419, 321423, 749987, 2035679, 2249961, 6107037, 14249753, 42749259]

約数ペア:

[(1, 42749259), (3, 14249753), (7, 6107037), (19, 2249961), (21, 2035679), (57, 749987), (133, 321423), (361, 118419), (399, 107141), (1083, 39473), (2527, 16917), (5639, 7581)]