30809009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12907}}^1$

素因数の和:12956

約数の個数: 16

約数和(自身を含む): 39653376

約数和(自身を除く): 8844367

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 12907, 90349, 141977, 400117, 993839, 2800819, 4401287, 30809009]

約数ペア:

[(1, 30809009), (7, 4401287), (11, 2800819), (31, 993839), (77, 400117), (217, 141977), (341, 90349), (2387, 12907)]