20190195

素因数分解:

$3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15890445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 347, 431, 1041, 1293, 1735, 2155, 3123, 3879, 5205, 6465, 9369, 11637, 15615, 19395, 46845, 58185, 149557, 448671, 747785, 1346013, 2243355, 4038039, 6730065, 20190195]

約数ペア:

[(1, 20190195), (3, 6730065), (5, 4038039), (9, 2243355), (15, 1346013), (27, 747785), (45, 448671), (135, 149557), (347, 58185), (431, 46845), (1041, 19395), (1293, 15615), (1735, 11637), (2155, 9369), (3123, 6465), (3879, 5205)]