816221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^3$

素因数の和:81

約数の個数: 16

約数和(自身を含む): 1042560

約数和(自身を除く): 226339

約数列:

[1, 7, 17, 19, 119, 133, 323, 361, 2261, 2527, 6137, 6859, 42959, 48013, 116603, 816221]

約数ペア:

[(1, 816221), (7, 116603), (17, 48013), (19, 42959), (119, 6859), (133, 6137), (323, 2527), (361, 2261)]