220111941

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{551659}}^1$

素因数の和:551688

約数の個数: 16

約数和(自身を含む): 353062400

約数和(自身を除く): 132950459

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 551659, 1654977, 3861613, 10481521, 11584839, 31444563, 73370647, 220111941]

約数ペア:

[(1, 220111941), (3, 73370647), (7, 31444563), (19, 11584839), (21, 10481521), (57, 3861613), (133, 1654977), (399, 551659)]