16726419

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4049}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 26535600

約数和(自身を除く): 9809181

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4049, 4131, 12147, 36441, 68833, 109323, 206499, 327969, 619497, 983907, 1858491, 5575473, 16726419]

約数ペア:

[(1, 16726419), (3, 5575473), (9, 1858491), (17, 983907), (27, 619497), (51, 327969), (81, 206499), (153, 109323), (243, 68833), (459, 36441), (1377, 12147), (4049, 4131)]