17863821

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{12973}}^1$

素因数の和:13002

約数の個数: 20

約数和(自身を含む): 28257372

約数和(自身を除く): 10393551

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 12973, 38919, 116757, 220541, 350271, 661623, 1050813, 1984869, 5954607, 17863821]

約数ペア:

[(1, 17863821), (3, 5954607), (9, 1984869), (17, 1050813), (27, 661623), (51, 350271), (81, 220541), (153, 116757), (459, 38919), (1377, 12973)]