309720439

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1\times {\mathrm{1913}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 359219520

約数和(自身を除く): 49499081

約数列:

[1, 7, 101, 229, 707, 1603, 1913, 13391, 23129, 161903, 193213, 438077, 1352491, 3066539, 44245777, 309720439]

約数ペア:

[(1, 309720439), (7, 44245777), (101, 3066539), (229, 1352491), (707, 438077), (1603, 193213), (1913, 161903), (13391, 23129)]