131844209

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{16421}}^1$

素因数の和:16496

約数の個数: 16

約数和(自身を含む): 159753216

約数和(自身を除く): 27909007

約数列:

[1, 7, 31, 37, 217, 259, 1147, 8029, 16421, 114947, 509051, 607577, 3563357, 4253039, 18834887, 131844209]

約数ペア:

[(1, 131844209), (7, 18834887), (31, 4253039), (37, 3563357), (217, 607577), (259, 509051), (1147, 114947), (8029, 16421)]