31396821

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1\times {\mathrm{641}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 43450560

約数和(自身を除く): 12053739

約数列:

[1, 3, 29, 87, 563, 641, 1689, 1923, 16327, 18589, 48981, 55767, 360883, 1082649, 10465607, 31396821]

約数ペア:

[(1, 31396821), (3, 10465607), (29, 1082649), (87, 360883), (563, 55767), (641, 48981), (1689, 18589), (1923, 16327)]