83143221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{208379}}^1$

素因数の和:208408

約数の個数: 16

約数和(自身を含む): 133363200

約数和(自身を除く): 50219979

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 208379, 625137, 1458653, 3959201, 4375959, 11877603, 27714407, 83143221]

約数ペア:

[(1, 83143221), (3, 27714407), (7, 11877603), (19, 4375959), (21, 3959201), (57, 1458653), (133, 625137), (399, 208379)]