18111405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 31489920

約数和(自身を除く): 13378515

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 709, 1703, 1965, 2127, 3545, 5109, 8515, 9217, 10635, 25545, 27651, 46085, 92879, 138255, 278637, 464395, 1207427, 1393185, 3622281, 6037135, 18111405]

約数ペア:

[(1, 18111405), (3, 6037135), (5, 3622281), (13, 1393185), (15, 1207427), (39, 464395), (65, 278637), (131, 138255), (195, 92879), (393, 46085), (655, 27651), (709, 25545), (1703, 10635), (1965, 9217), (2127, 8515), (3545, 5109)]