216213361

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 283772160

約数和(自身を除く): 67558799

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 827, 1183, 1547, 2197, 2873, 5789, 10751, 14059, 15379, 20111, 37349, 75257, 98413, 139763, 182767, 261443, 978341, 1279369, 1816919, 2375971, 12718433, 16631797, 30887623, 216213361]

約数ペア:

[(1, 216213361), (7, 30887623), (13, 16631797), (17, 12718433), (91, 2375971), (119, 1816919), (169, 1279369), (221, 978341), (827, 261443), (1183, 182767), (1547, 139763), (2197, 98413), (2873, 75257), (5789, 37349), (10751, 20111), (14059, 15379)]