16704639

素因数分解:

$3^2\times 7^2\times {\mathrm{37879}}^1$

素因数の和:37899

約数の個数: 18

約数和(自身を含む): 28069080

約数和(自身を除く): 11364441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 37879, 113637, 265153, 340911, 795459, 1856071, 2386377, 5568213, 16704639]

約数ペア:

[(1, 16704639), (3, 5568213), (7, 2386377), (9, 1856071), (21, 795459), (49, 340911), (63, 265153), (147, 113637), (441, 37879)]