1381567131

素因数分解:

$3^3\times 7^1\times {\mathrm{7309879}}^1$

素因数の和:7309895

約数の個数: 16

約数和(自身を含む): 2339161600

約数和(自身を除く): 957594469

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 7309879, 21929637, 51169153, 65788911, 153507459, 197366733, 460522377, 1381567131]

約数ペア:

[(1, 1381567131), (3, 460522377), (7, 197366733), (9, 153507459), (21, 65788911), (27, 51169153), (63, 21929637), (189, 7309879)]