13306251

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33349}}^1$

素因数の和:33378

約数の個数: 16

約数和(自身を含む): 21344000

約数和(自身を除く): 8037749

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 33349, 100047, 233443, 633631, 700329, 1900893, 4435417, 13306251]

約数ペア:

[(1, 13306251), (3, 4435417), (7, 1900893), (19, 700329), (21, 633631), (57, 233443), (133, 100047), (399, 33349)]