208984965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{1609}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 382690560

約数和(自身を除く): 173705595

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1237, 1609, 3711, 4827, 6185, 8045, 8659, 11263, 18555, 24135, 25977, 33789, 43295, 56315, 129885, 168945, 1990333, 5970999, 9951665, 13932331, 29854995, 41796993, 69661655, 208984965]

約数ペア:

[(1, 208984965), (3, 69661655), (5, 41796993), (7, 29854995), (15, 13932331), (21, 9951665), (35, 5970999), (105, 1990333), (1237, 168945), (1609, 129885), (3711, 56315), (4827, 43295), (6185, 33789), (8045, 25977), (8659, 24135), (11263, 18555)]