28979727

素因数分解:

$3^1\times 7^3\times {\mathrm{28163}}^1$

素因数の和:28187

約数の個数: 16

約数和(自身を含む): 45062400

約数和(自身を除く): 16082673

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 28163, 84489, 197141, 591423, 1379987, 4139961, 9659909, 28979727]

約数ペア:

[(1, 28979727), (3, 9659909), (7, 4139961), (21, 1379987), (49, 591423), (147, 197141), (343, 84489), (1029, 28163)]