16859427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 9267933

約数列:

[1, 3, 13, 17, 39, 51, 59, 177, 221, 431, 663, 767, 1003, 1293, 2301, 3009, 5603, 7327, 13039, 16809, 21981, 25429, 39117, 76287, 95251, 285753, 330577, 432293, 991731, 1296879, 5619809, 16859427]

約数ペア:

[(1, 16859427), (3, 5619809), (13, 1296879), (17, 991731), (39, 432293), (51, 330577), (59, 285753), (177, 95251), (221, 76287), (431, 39117), (663, 25429), (767, 21981), (1003, 16809), (1293, 13039), (2301, 7327), (3009, 5603)]