81142509

素因数分解:

$3^1\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{2609}}^1$

素因数の和:4100

約数の個数: 16

約数和(自身を含む): 123776640

約数和(自身を除く): 42634131

約数列:

[1, 3, 7, 21, 1481, 2609, 4443, 7827, 10367, 18263, 31101, 54789, 3863929, 11591787, 27047503, 81142509]

約数ペア:

[(1, 81142509), (3, 27047503), (7, 11591787), (21, 3863929), (1481, 54789), (2609, 31101), (4443, 18263), (7827, 10367)]