13217673

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 21437440

約数和(自身を除く): 8219767

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 211, 399, 471, 633, 1099, 1477, 2983, 3297, 4009, 4431, 8949, 12027, 20881, 28063, 33127, 62643, 84189, 99381, 231889, 629413, 695667, 1888239, 4405891, 13217673]

約数ペア:

[(1, 13217673), (3, 4405891), (7, 1888239), (19, 695667), (21, 629413), (57, 231889), (133, 99381), (157, 84189), (211, 62643), (399, 33127), (471, 28063), (633, 20881), (1099, 12027), (1477, 8949), (2983, 4431), (3297, 4009)]