217303977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6983}}^1$

素因数の和:7061

約数の個数: 32

約数和(自身を含む): 337913856

約数和(自身を除く): 120609879

約数列:

[1, 3, 11, 23, 33, 41, 69, 123, 253, 451, 759, 943, 1353, 2829, 6983, 10373, 20949, 31119, 76813, 160609, 230439, 286303, 481827, 858909, 1766699, 3149333, 5300097, 6584969, 9447999, 19754907, 72434659, 217303977]

約数ペア:

[(1, 217303977), (3, 72434659), (11, 19754907), (23, 9447999), (33, 6584969), (41, 5300097), (69, 3149333), (123, 1766699), (253, 858909), (451, 481827), (759, 286303), (943, 230439), (1353, 160609), (2829, 76813), (6983, 31119), (10373, 20949)]