31488219

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 56070144

約数和(自身を除く): 24581925

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 651, 701, 713, 1449, 1953, 2103, 2139, 4907, 4991, 6309, 6417, 14721, 14973, 16123, 21731, 44163, 44919, 48369, 65193, 112861, 145107, 152117, 195579, 338583, 456351, 499813, 1015749, 1369053, 1499439, 3498691, 4498317, 10496073, 31488219]

約数ペア:

[(1, 31488219), (3, 10496073), (7, 4498317), (9, 3498691), (21, 1499439), (23, 1369053), (31, 1015749), (63, 499813), (69, 456351), (93, 338583), (161, 195579), (207, 152117), (217, 145107), (279, 112861), (483, 65193), (651, 48369), (701, 44919), (713, 44163), (1449, 21731), (1953, 16123), (2103, 14973), (2139, 14721), (4907, 6417), (4991, 6309)]