30361639

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20753}}^1$

素因数の和:20790

約数の個数: 16

約数和(自身を含む): 39847680

約数和(自身を除く): 9486041

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 20753, 145271, 228283, 394307, 1597981, 2760149, 4337377, 30361639]

約数ペア:

[(1, 30361639), (7, 4337377), (11, 2760149), (19, 1597981), (77, 394307), (133, 228283), (209, 145271), (1463, 20753)]