173845521

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{6857}}^1$

素因数の和:7182

約数の個数: 20

約数和(自身を含む): 260562852

約数和(自身を除く): 86717331

約数列:

[1, 3, 9, 27, 81, 313, 939, 2817, 6857, 8451, 20571, 25353, 61713, 185139, 555417, 2146241, 6438723, 19316169, 57948507, 173845521]

約数ペア:

[(1, 173845521), (3, 57948507), (9, 19316169), (27, 6438723), (81, 2146241), (313, 555417), (939, 185139), (2817, 61713), (6857, 25353), (8451, 20571)]