30906513

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4397}}^1$

素因数の和:4485

約数の個数: 24

約数和(自身を含む): 49398336

約数和(自身を除く): 18491823

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 4397, 7029, 13191, 39573, 48367, 145101, 312187, 435303, 936561, 2809683, 3434057, 10302171, 30906513]

約数ペア:

[(1, 30906513), (3, 10302171), (9, 3434057), (11, 2809683), (33, 936561), (71, 435303), (99, 312187), (213, 145101), (639, 48367), (781, 39573), (2343, 13191), (4397, 7029)]