27977937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 44795520

約数和(自身を除く): 16817583

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 2221, 4199, 6663, 12597, 28873, 37757, 42199, 86619, 113271, 126597, 490841, 548587, 717383, 1472523, 1645761, 2152149, 9325979, 27977937]

約数ペア:

[(1, 27977937), (3, 9325979), (13, 2152149), (17, 1645761), (19, 1472523), (39, 717383), (51, 548587), (57, 490841), (221, 126597), (247, 113271), (323, 86619), (663, 42199), (741, 37757), (969, 28873), (2221, 12597), (4199, 6663)]