18549999

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 30340800

約数和(自身を除く): 11790801

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1289, 1599, 3867, 4797, 11601, 14391, 16757, 34803, 50271, 52849, 150813, 158547, 452439, 475641, 687037, 1426923, 2061111, 6183333, 18549999]

約数ペア:

[(1, 18549999), (3, 6183333), (9, 2061111), (13, 1426923), (27, 687037), (39, 475641), (41, 452439), (117, 158547), (123, 150813), (351, 52849), (369, 50271), (533, 34803), (1107, 16757), (1289, 14391), (1599, 11601), (3867, 4797)]