13120839

素因数分解:

$3^3\times {\mathrm{53}}^2\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 24

約数和(自身を含む): 19926480

約数和(自身を除く): 6805641

約数列:

[1, 3, 9, 27, 53, 159, 173, 477, 519, 1431, 1557, 2809, 4671, 8427, 9169, 25281, 27507, 75843, 82521, 247563, 485957, 1457871, 4373613, 13120839]

約数ペア:

[(1, 13120839), (3, 4373613), (9, 1457871), (27, 485957), (53, 247563), (159, 82521), (173, 75843), (477, 27507), (519, 25281), (1431, 9169), (1557, 8427), (2809, 4671)]