199450839

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{30937}}^1$

素因数の和:31254

約数の個数: 16

約数和(自身を含む): 304924928

約数和(自身を除く): 105474089

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 30937, 92811, 216559, 649677, 9497659, 28492977, 66483613, 199450839]

約数ペア:

[(1, 199450839), (3, 66483613), (7, 28492977), (21, 9497659), (307, 649677), (921, 216559), (2149, 92811), (6447, 30937)]