16669947

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 26061312

約数和(自身を除く): 9391365

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 751, 1057, 2253, 3171, 5257, 7399, 15771, 22197, 36799, 110397, 113401, 340203, 793807, 2381421, 5556649, 16669947]

約数ペア:

[(1, 16669947), (3, 5556649), (7, 2381421), (21, 793807), (49, 340203), (147, 113401), (151, 110397), (453, 36799), (751, 22197), (1057, 15771), (2253, 7399), (3171, 5257)]