31121433

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 53379456

約数和(自身を除く): 22258023

約数列:

[1, 3, 7, 9, 21, 63, 67, 73, 101, 201, 219, 303, 469, 511, 603, 657, 707, 909, 1407, 1533, 2121, 4221, 4599, 4891, 6363, 6767, 7373, 14673, 20301, 22119, 34237, 44019, 47369, 51611, 60903, 66357, 102711, 142107, 154833, 308133, 426321, 464499, 493991, 1481973, 3457937, 4445919, 10373811, 31121433]

約数ペア:

[(1, 31121433), (3, 10373811), (7, 4445919), (9, 3457937), (21, 1481973), (63, 493991), (67, 464499), (73, 426321), (101, 308133), (201, 154833), (219, 142107), (303, 102711), (469, 66357), (511, 60903), (603, 51611), (657, 47369), (707, 44019), (909, 34237), (1407, 22119), (1533, 20301), (2121, 14673), (4221, 7373), (4599, 6767), (4891, 6363)]