215865513

素因数分解:

$3^3\times {\mathrm{569}}^1\times {\mathrm{14051}}^1$

素因数の和:14629

約数の個数: 16

約数和(自身を含む): 320385600

約数和(自身を除く): 104520087

約数列:

[1, 3, 9, 27, 569, 1707, 5121, 14051, 15363, 42153, 126459, 379377, 7995019, 23985057, 71955171, 215865513]

約数ペア:

[(1, 215865513), (3, 71955171), (9, 23985057), (27, 7995019), (569, 379377), (1707, 126459), (5121, 42153), (14051, 15363)]