19681353

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 31207680

約数和(自身を除く): 11526327

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 773, 943, 1107, 2319, 2829, 6957, 8487, 17779, 20871, 25461, 31693, 53337, 95079, 160011, 285237, 480033, 728939, 855711, 2186817, 6560451, 19681353]

約数ペア:

[(1, 19681353), (3, 6560451), (9, 2186817), (23, 855711), (27, 728939), (41, 480033), (69, 285237), (123, 160011), (207, 95079), (369, 53337), (621, 31693), (773, 25461), (943, 20871), (1107, 17779), (2319, 8487), (2829, 6957)]