81983499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 132464640

約数和(自身を除く): 50481141

約数列:

[1, 3, 13, 19, 31, 39, 43, 57, 83, 93, 129, 247, 249, 403, 559, 589, 741, 817, 1079, 1209, 1333, 1577, 1677, 1767, 2451, 2573, 3237, 3569, 3999, 4731, 7657, 7719, 10621, 10707, 17329, 20501, 22971, 25327, 31863, 33449, 46397, 48887, 51987, 61503, 67811, 75981, 100347, 110639, 139191, 146661, 203433, 329251, 331917, 635531, 881543, 987753, 1438307, 1906593, 2102141, 2644629, 4314921, 6306423, 27327833, 81983499]

約数ペア:

[(1, 81983499), (3, 27327833), (13, 6306423), (19, 4314921), (31, 2644629), (39, 2102141), (43, 1906593), (57, 1438307), (83, 987753), (93, 881543), (129, 635531), (247, 331917), (249, 329251), (403, 203433), (559, 146661), (589, 139191), (741, 110639), (817, 100347), (1079, 75981), (1209, 67811), (1333, 61503), (1577, 51987), (1677, 48887), (1767, 46397), (2451, 33449), (2573, 31863), (3237, 25327), (3569, 22971), (3999, 20501), (4731, 17329), (7657, 10707), (7719, 10621)]