30489789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 49512960

約数和(自身を除く): 19023171

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 139, 187, 253, 289, 391, 417, 561, 759, 867, 1173, 1529, 2363, 3179, 3197, 4301, 4587, 6647, 7089, 9537, 9591, 12903, 19941, 25993, 35167, 40171, 54349, 73117, 77979, 105501, 120513, 163047, 219351, 441881, 597839, 923933, 1325643, 1793517, 2771799, 10163263, 30489789]

約数ペア:

[(1, 30489789), (3, 10163263), (11, 2771799), (17, 1793517), (23, 1325643), (33, 923933), (51, 597839), (69, 441881), (139, 219351), (187, 163047), (253, 120513), (289, 105501), (391, 77979), (417, 73117), (561, 54349), (759, 40171), (867, 35167), (1173, 25993), (1529, 19941), (2363, 12903), (3179, 9591), (3197, 9537), (4301, 7089), (4587, 6647)]