30128427

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4643}}^1$

素因数の和:4759

約数の個数: 24

約数和(自身を含む): 50229504

約数和(自身を除く): 20101077

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4643, 6489, 13929, 32501, 41787, 97503, 292509, 478229, 1434687, 3347603, 4304061, 10042809, 30128427]

約数ペア:

[(1, 30128427), (3, 10042809), (7, 4304061), (9, 3347603), (21, 1434687), (63, 478229), (103, 292509), (309, 97503), (721, 41787), (927, 32501), (2163, 13929), (4643, 6489)]