80667531

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 140025600

約数和(自身を除く): 59358069

約数列:

[1, 3, 7, 9, 21, 29, 63, 67, 87, 201, 203, 261, 469, 603, 609, 659, 1407, 1827, 1943, 1977, 4221, 4613, 5829, 5931, 13601, 13839, 17487, 19111, 40803, 41517, 44153, 57333, 122409, 132459, 133777, 171999, 309071, 397377, 401331, 927213, 1203993, 1280437, 2781639, 3841311, 8963059, 11523933, 26889177, 80667531]

約数ペア:

[(1, 80667531), (3, 26889177), (7, 11523933), (9, 8963059), (21, 3841311), (29, 2781639), (63, 1280437), (67, 1203993), (87, 927213), (201, 401331), (203, 397377), (261, 309071), (469, 171999), (603, 133777), (609, 132459), (659, 122409), (1407, 57333), (1827, 44153), (1943, 41517), (1977, 40803), (4221, 19111), (4613, 17487), (5829, 13839), (5931, 13601)]