28813029

素因数分解:

$3^1\times 7^3\times {\mathrm{28001}}^1$

素因数の和:28025

約数の個数: 16

約数和(自身を含む): 44803200

約数和(自身を除く): 15990171

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 28001, 84003, 196007, 588021, 1372049, 4116147, 9604343, 28813029]

約数ペア:

[(1, 28813029), (3, 9604343), (7, 4116147), (21, 1372049), (49, 588021), (147, 196007), (343, 84003), (1029, 28001)]