618924321

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{449473}}^1$

素因数の和:449502

約数の個数: 20

約数和(自身を含む): 978954372

約数和(自身を除く): 360030051

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 449473, 1348419, 4045257, 7641041, 12135771, 22923123, 36407313, 68769369, 206308107, 618924321]

約数ペア:

[(1, 618924321), (3, 206308107), (9, 68769369), (17, 36407313), (27, 22923123), (51, 12135771), (81, 7641041), (153, 4045257), (459, 1348419), (1377, 449473)]