2381421

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 3657728

約数和(自身を除く): 1276307

約数列:

[1, 3, 7, 21, 151, 453, 751, 1057, 2253, 3171, 5257, 15771, 113401, 340203, 793807, 2381421]

約数ペア:

[(1, 2381421), (3, 793807), (7, 340203), (21, 113401), (151, 15771), (453, 5257), (751, 3171), (1057, 2253)]