213333289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{31139}}^1$

素因数の和:31200

約数の個数: 16

約数和(自身を含む): 251112960

約数和(自身を除く): 37779671

約数列:

[1, 13, 17, 31, 221, 403, 527, 6851, 31139, 404807, 529363, 965309, 6881719, 12549017, 16410253, 213333289]

約数ペア:

[(1, 213333289), (13, 16410253), (17, 12549017), (31, 6881719), (221, 965309), (403, 529363), (527, 404807), (6851, 31139)]