127777447

素因数分解:

$7^3\times {\mathrm{401}}^1\times {\mathrm{929}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 149544000

約数和(自身を除く): 21766553

約数列:

[1, 7, 49, 343, 401, 929, 2807, 6503, 19649, 45521, 137543, 318647, 372529, 2607703, 18253921, 127777447]

約数ペア:

[(1, 127777447), (7, 18253921), (49, 2607703), (343, 372529), (401, 318647), (929, 137543), (2807, 45521), (6503, 19649)]