61681215

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6221}}^1$

素因数の和:6890

約数の個数: 16

約数和(自身を含む): 98855136

約数和(自身を除く): 37173921

約数列:

[1, 3, 5, 15, 661, 1983, 3305, 6221, 9915, 18663, 31105, 93315, 4112081, 12336243, 20560405, 61681215]

約数ペア:

[(1, 61681215), (3, 20560405), (5, 12336243), (15, 4112081), (661, 93315), (1983, 31105), (3305, 18663), (6221, 9915)]