200968551

素因数分解:

$3^2\times 7^2\times {\mathrm{455711}}^1$

素因数の和:455731

約数の個数: 18

約数和(自身を含む): 337682592

約数和(自身を除く): 136714041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 455711, 1367133, 3189977, 4101399, 9569931, 22329839, 28709793, 66989517, 200968551]

約数ペア:

[(1, 200968551), (3, 66989517), (7, 28709793), (9, 22329839), (21, 9569931), (49, 4101399), (63, 3189977), (147, 1367133), (441, 455711)]