12220551

素因数分解:

$3^4\times 7^2\times {\mathrm{3079}}^1$

素因数の和:3105

約数の個数: 30

約数和(自身を含む): 21242760

約数和(自身を除く): 9022209

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3079, 3969, 9237, 21553, 27711, 64659, 83133, 150871, 193977, 249399, 452613, 581931, 1357839, 1745793, 4073517, 12220551]

約数ペア:

[(1, 12220551), (3, 4073517), (7, 1745793), (9, 1357839), (21, 581931), (27, 452613), (49, 249399), (63, 193977), (81, 150871), (147, 83133), (189, 64659), (441, 27711), (567, 21553), (1323, 9237), (3079, 3969)]