209580231

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{39761}}^1$

素因数の和:40022

約数の個数: 16

約数和(自身を含む): 320640768

約数和(自身を除く): 111060537

約数列:

[1, 3, 7, 21, 251, 753, 1757, 5271, 39761, 119283, 278327, 834981, 9980011, 29940033, 69860077, 209580231]

約数ペア:

[(1, 209580231), (3, 69860077), (7, 29940033), (21, 9980011), (251, 834981), (753, 278327), (1757, 119283), (5271, 39761)]