1388919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 2266240

約数和(自身を除く): 877321

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1239, 3363, 3481, 7847, 10443, 23541, 24367, 66139, 73101, 198417, 462973, 1388919]

約数ペア:

[(1, 1388919), (3, 462973), (7, 198417), (19, 73101), (21, 66139), (57, 24367), (59, 23541), (133, 10443), (177, 7847), (399, 3481), (413, 3363), (1121, 1239)]