30780243

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29231}}^1$

素因数の和:29256

約数の個数: 20

約数和(自身を含む): 49519008

約数和(自身を除く): 18738765

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 29231, 87693, 263079, 380003, 789237, 1140009, 2367711, 3420027, 10260081, 30780243]

約数ペア:

[(1, 30780243), (3, 10260081), (9, 3420027), (13, 2367711), (27, 1140009), (39, 789237), (81, 380003), (117, 263079), (351, 87693), (1053, 29231)]