156691431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78779}}^1$

素因数の和:78815

約数の個数: 24

約数和(自身を含む): 258083280

約数和(自身を除く): 101391849

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 78779, 236337, 709011, 1024127, 1339243, 3072381, 4017729, 9217143, 12053187, 17410159, 52230477, 156691431]

約数ペア:

[(1, 156691431), (3, 52230477), (9, 17410159), (13, 12053187), (17, 9217143), (39, 4017729), (51, 3072381), (117, 1339243), (153, 1024127), (221, 709011), (663, 236337), (1989, 78779)]