28156653

素因数分解:

$3^5\times 7^1\times {\mathrm{16553}}^1$

素因数の和:16575

約数の個数: 24

約数和(自身を含む): 48205248

約数和(自身を除く): 20048595

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16553, 49659, 115871, 148977, 347613, 446931, 1042839, 1340793, 3128517, 4022379, 9385551, 28156653]

約数ペア:

[(1, 28156653), (3, 9385551), (7, 4022379), (9, 3128517), (21, 1340793), (27, 1042839), (63, 446931), (81, 347613), (189, 148977), (243, 115871), (567, 49659), (1701, 16553)]