28096551

素因数分解:

$3^4\times 7^2\times {\mathrm{7079}}^1$

素因数の和:7105

約数の個数: 30

約数和(自身を含む): 48830760

約数和(自身を除く): 20734209

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7079, 21237, 49553, 63711, 148659, 191133, 346871, 445977, 573399, 1040613, 1337931, 3121839, 4013793, 9365517, 28096551]

約数ペア:

[(1, 28096551), (3, 9365517), (7, 4013793), (9, 3121839), (21, 1337931), (27, 1040613), (49, 573399), (63, 445977), (81, 346871), (147, 191133), (189, 148659), (441, 63711), (567, 49553), (1323, 21237), (3969, 7079)]