30251221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 41545728

約数和(自身を除く): 11294507

約数列:

[1, 7, 11, 13, 47, 77, 91, 143, 329, 517, 611, 643, 1001, 3619, 4277, 4501, 6721, 7073, 8359, 30221, 47047, 49511, 58513, 91949, 211547, 332431, 392873, 643643, 2327017, 2750111, 4321603, 30251221]

約数ペア:

[(1, 30251221), (7, 4321603), (11, 2750111), (13, 2327017), (47, 643643), (77, 392873), (91, 332431), (143, 211547), (329, 91949), (517, 58513), (611, 49511), (643, 47047), (1001, 30221), (3619, 8359), (4277, 7073), (4501, 6721)]