30671361

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6857}}^1$

素因数の和:6941

約数の個数: 24

約数和(自身を含む): 51352704

約数和(自身を除く): 20681343

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6857, 20571, 47999, 61713, 143997, 431991, 486847, 1460541, 3407929, 4381623, 10223787, 30671361]

約数ペア:

[(1, 30671361), (3, 10223787), (7, 4381623), (9, 3407929), (21, 1460541), (63, 486847), (71, 431991), (213, 143997), (497, 61713), (639, 47999), (1491, 20571), (4473, 6857)]