1231377

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 1892352

約数和(自身を除く): 660975

約数列:

[1, 3, 7, 21, 191, 307, 573, 921, 1337, 2149, 4011, 6447, 58637, 175911, 410459, 1231377]

約数ペア:

[(1, 1231377), (3, 410459), (7, 175911), (21, 58637), (191, 6447), (307, 4011), (573, 2149), (921, 1337)]