1297233

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 2184000

約数和(自身を除く): 886767

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 349, 413, 531, 1047, 1239, 2443, 3141, 3717, 7329, 20591, 21987, 61773, 144137, 185319, 432411, 1297233]

約数ペア:

[(1, 1297233), (3, 432411), (7, 185319), (9, 144137), (21, 61773), (59, 21987), (63, 20591), (177, 7329), (349, 3717), (413, 3141), (531, 2443), (1047, 1239)]