55978209

素因数分解:

$3^5\times 7^1\times {\mathrm{32909}}^1$

素因数の和:32931

約数の個数: 24

約数和(自身を含む): 95833920

約数和(自身を除く): 39855711

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 32909, 98727, 230363, 296181, 691089, 888543, 2073267, 2665629, 6219801, 7996887, 18659403, 55978209]

約数ペア:

[(1, 55978209), (3, 18659403), (7, 7996887), (9, 6219801), (21, 2665629), (27, 2073267), (63, 888543), (81, 691089), (189, 296181), (243, 230363), (567, 98727), (1701, 32909)]