129121531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{16603}}^1$

素因数の和:16722

約数の個数: 16

約数和(自身を含む): 162586368

約数和(自身を除く): 33464837

約数列:

[1, 7, 11, 77, 101, 707, 1111, 7777, 16603, 116221, 182633, 1278431, 1676903, 11738321, 18445933, 129121531]

約数ペア:

[(1, 129121531), (7, 18445933), (11, 11738321), (77, 1676903), (101, 1278431), (707, 182633), (1111, 116221), (7777, 16603)]