28880055

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7211}}^1$

素因数の和:7311

約数の個数: 24

約数和(自身を含む): 50628240

約数和(自身を除く): 21748185

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 7211, 21633, 36055, 64899, 108165, 324495, 641779, 1925337, 3208895, 5776011, 9626685, 28880055]

約数ペア:

[(1, 28880055), (3, 9626685), (5, 5776011), (9, 3208895), (15, 1925337), (45, 641779), (89, 324495), (267, 108165), (445, 64899), (801, 36055), (1335, 21633), (4005, 7211)]