7217197

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 16

約数和(自身を含む): 8331120

約数和(自身を除く): 1113923

約数列:

[1, 13, 17, 113, 221, 289, 1469, 1921, 3757, 4913, 24973, 32657, 63869, 424541, 555169, 7217197]

約数ペア:

[(1, 7217197), (13, 555169), (17, 424541), (113, 63869), (221, 32657), (289, 24973), (1469, 4913), (1921, 3757)]