15213681

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4093}}^1$

素因数の和:4165

約数の個数: 24

約数和(自身を含む): 25546560

約数和(自身を除く): 10332879

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 4093, 12279, 28651, 36837, 85953, 241487, 257859, 724461, 1690409, 2173383, 5071227, 15213681]

約数ペア:

[(1, 15213681), (3, 5071227), (7, 2173383), (9, 1690409), (21, 724461), (59, 257859), (63, 241487), (177, 85953), (413, 36837), (531, 28651), (1239, 12279), (3717, 4093)]