12539919

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 7620081

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 349, 413, 609, 1047, 1239, 1711, 2443, 5133, 7329, 10121, 11977, 20591, 30363, 35931, 61773, 70847, 144137, 212541, 432411, 597139, 1791417, 4179973, 12539919]

約数ペア:

[(1, 12539919), (3, 4179973), (7, 1791417), (21, 597139), (29, 432411), (59, 212541), (87, 144137), (177, 70847), (203, 61773), (349, 35931), (413, 30363), (609, 20591), (1047, 11977), (1239, 10121), (1711, 7329), (2443, 5133)]