16644789

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{613}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 27585792

約数和(自身を除く): 10941003

約数列:

[1, 3, 7, 9, 21, 63, 431, 613, 1293, 1839, 3017, 3879, 4291, 5517, 9051, 12873, 27153, 38619, 264203, 792609, 1849421, 2377827, 5548263, 16644789]

約数ペア:

[(1, 16644789), (3, 5548263), (7, 2377827), (9, 1849421), (21, 792609), (63, 264203), (431, 38619), (613, 27153), (1293, 12873), (1839, 9051), (3017, 5517), (3879, 4291)]