27850221

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7247}}^1$

素因数の和:7321

約数の個数: 24

約数和(自身を含む): 46735104

約数和(自身を除く): 18884883

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7247, 21741, 50729, 65223, 152187, 442067, 456561, 1326201, 3094469, 3978603, 9283407, 27850221]

約数ペア:

[(1, 27850221), (3, 9283407), (7, 3978603), (9, 3094469), (21, 1326201), (61, 456561), (63, 442067), (183, 152187), (427, 65223), (549, 50729), (1281, 21741), (3843, 7247)]