1209369

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 1979040

約数和(自身を除く): 769671

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 433, 931, 1299, 2793, 3031, 8227, 9093, 21217, 24681, 57589, 63651, 172767, 403123, 1209369]

約数ペア:

[(1, 1209369), (3, 403123), (7, 172767), (19, 63651), (21, 57589), (49, 24681), (57, 21217), (133, 9093), (147, 8227), (399, 3031), (433, 2793), (931, 1299)]