16686189

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 26893440

約数和(自身を除く): 10207251

約数列:

[1, 3, 9, 13, 27, 39, 117, 137, 347, 351, 411, 1041, 1233, 1781, 3123, 3699, 4511, 5343, 9369, 13533, 16029, 40599, 47539, 48087, 121797, 142617, 427851, 618007, 1283553, 1854021, 5562063, 16686189]

約数ペア:

[(1, 16686189), (3, 5562063), (9, 1854021), (13, 1283553), (27, 618007), (39, 427851), (117, 142617), (137, 121797), (347, 48087), (351, 47539), (411, 40599), (1041, 16029), (1233, 13533), (1781, 9369), (3123, 5343), (3699, 4511)]