18230913

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1301}}^1$

素因数の和:1486

約数の個数: 20

約数和(自身を含む): 27412308

約数和(自身を除く): 9181395

約数列:

[1, 3, 9, 27, 81, 173, 519, 1301, 1557, 3903, 4671, 11709, 14013, 35127, 105381, 225073, 675219, 2025657, 6076971, 18230913]

約数ペア:

[(1, 18230913), (3, 6076971), (9, 2025657), (27, 675219), (81, 225073), (173, 105381), (519, 35127), (1301, 14013), (1557, 11709), (3903, 4671)]