13249719

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 23026432

約数和(自身を除く): 9776713

約数列:

[1, 3, 7, 9, 21, 43, 63, 67, 73, 129, 201, 219, 301, 387, 469, 511, 603, 657, 903, 1407, 1533, 2709, 2881, 3139, 4221, 4599, 4891, 8643, 9417, 14673, 20167, 21973, 25929, 28251, 34237, 44019, 60501, 65919, 102711, 181503, 197757, 210313, 308133, 630939, 1472191, 1892817, 4416573, 13249719]

約数ペア:

[(1, 13249719), (3, 4416573), (7, 1892817), (9, 1472191), (21, 630939), (43, 308133), (63, 210313), (67, 197757), (73, 181503), (129, 102711), (201, 65919), (219, 60501), (301, 44019), (387, 34237), (469, 28251), (511, 25929), (603, 21973), (657, 20167), (903, 14673), (1407, 9417), (1533, 8643), (2709, 4891), (2881, 4599), (3139, 4221)]