16903089

素因数分解:

$3^2\times 7^2\times {\mathrm{38329}}^1$

素因数の和:38349

約数の個数: 18

約数和(自身を含む): 28402530

約数和(自身を除く): 11499441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 38329, 114987, 268303, 344961, 804909, 1878121, 2414727, 5634363, 16903089]

約数ペア:

[(1, 16903089), (3, 5634363), (7, 2414727), (9, 1878121), (21, 804909), (49, 344961), (63, 268303), (147, 114987), (441, 38329)]