12387249

素因数分解:

$3^4\times 7^2\times {\mathrm{3121}}^1$

素因数の和:3147

約数の個数: 30

約数和(自身を含む): 21532434

約数和(自身を除く): 9145185

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3121, 3969, 9363, 21847, 28089, 65541, 84267, 152929, 196623, 252801, 458787, 589869, 1376361, 1769607, 4129083, 12387249]

約数ペア:

[(1, 12387249), (3, 4129083), (7, 1769607), (9, 1376361), (21, 589869), (27, 458787), (49, 252801), (63, 196623), (81, 152929), (147, 84267), (189, 65541), (441, 28089), (567, 21847), (1323, 9363), (3121, 3969)]