91819989

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:582

約数の個数: 36

約数和(自身を含む): 142646400

約数和(自身を除く): 50826411

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 361, 479, 531, 1083, 1121, 1437, 3249, 3363, 4311, 9101, 10089, 21299, 27303, 28261, 63897, 81909, 84783, 172919, 191691, 254349, 518757, 536959, 1556271, 1610877, 4832631, 10202221, 30606663, 91819989]

約数ペア:

[(1, 91819989), (3, 30606663), (9, 10202221), (19, 4832631), (57, 1610877), (59, 1556271), (171, 536959), (177, 518757), (361, 254349), (479, 191691), (531, 172919), (1083, 84783), (1121, 81909), (1437, 63897), (3249, 28261), (3363, 27303), (4311, 21299), (9101, 10089)]