7806945

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 13115520

約数和(自身を除く): 5308575

約数列:

[1, 3, 5, 15, 29, 87, 131, 137, 145, 393, 411, 435, 655, 685, 1965, 2055, 3799, 3973, 11397, 11919, 17947, 18995, 19865, 53841, 56985, 59595, 89735, 269205, 520463, 1561389, 2602315, 7806945]

約数ペア:

[(1, 7806945), (3, 2602315), (5, 1561389), (15, 520463), (29, 269205), (87, 89735), (131, 59595), (137, 56985), (145, 53841), (393, 19865), (411, 18995), (435, 17947), (655, 11919), (685, 11397), (1965, 3973), (2055, 3799)]