11789721

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 18162144

約数和(自身を除く): 6372423

約数列:

[1, 3, 9, 17, 51, 153, 251, 307, 753, 921, 2259, 2763, 4267, 5219, 12801, 15657, 38403, 46971, 77057, 231171, 693513, 1309969, 3929907, 11789721]

約数ペア:

[(1, 11789721), (3, 3929907), (9, 1309969), (17, 693513), (51, 231171), (153, 77057), (251, 46971), (307, 38403), (753, 15657), (921, 12801), (2259, 5219), (2763, 4267)]