16440003

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{11939}}^1$

素因数の和:11968

約数の個数: 20

約数和(自身を含む): 26005320

約数和(自身を除く): 9565317

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 11939, 35817, 107451, 202963, 322353, 608889, 967059, 1826667, 5480001, 16440003]

約数ペア:

[(1, 16440003), (3, 5480001), (9, 1826667), (17, 967059), (27, 608889), (51, 322353), (81, 202963), (153, 107451), (459, 35817), (1377, 11939)]