15840261

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1297}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 24298560

約数和(自身を除く): 8458299

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1297, 1357, 3891, 4071, 11673, 12213, 29831, 76523, 89493, 229569, 268479, 688707, 1760029, 5280087, 15840261]

約数ペア:

[(1, 15840261), (3, 5280087), (9, 1760029), (23, 688707), (59, 268479), (69, 229569), (177, 89493), (207, 76523), (531, 29831), (1297, 12213), (1357, 11673), (3891, 4071)]