389612181

素因数分解:

$3^1\times 7^2\times {\mathrm{1291}}^1\times {\mathrm{2053}}^1$

素因数の和:3361

約数の個数: 24

約数和(自身を含む): 605059104

約数和(自身を除く): 215446923

約数列:

[1, 3, 7, 21, 49, 147, 1291, 2053, 3873, 6159, 9037, 14371, 27111, 43113, 63259, 100597, 189777, 301791, 2650423, 7951269, 18552961, 55658883, 129870727, 389612181]

約数ペア:

[(1, 389612181), (3, 129870727), (7, 55658883), (21, 18552961), (49, 7951269), (147, 2650423), (1291, 301791), (2053, 189777), (3873, 100597), (6159, 63259), (9037, 43113), (14371, 27111)]